Human Embryology and Morphology - Figures: Difference between revisions

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Note some of these figures are the same as those used in the earlier [[Book - Human Embryology and Morphology Figures|1902 first edition]].


==Early Changes in the Development of the Ovum and Embryo==
==Early Changes in the Development of the Ovum and Embryo==
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File:Keith1921 fig080.jpg|
File:Keith1921 fig080.jpg|Fig. 80. Tubular form, the neuromeres and relations of the Mid- and Hind-Brain in a Human Embryo 18 body somites
File:Keith1921 fig081.jpg|
File:Keith1921 fig081.jpg|Fig. 81. Hind-Brain of a Human Embryo in the 6th week.
File:Keith1921 fig082.jpg|
File:Keith1921 fig082.jpg|Fig. 82. Hind-Brain to show the grouping of cranial nerves and their nuclei.
File:Keith1921 fig083.jpg|
File:Keith1921 fig083.jpg|Fig. 83. Foetal Medulla and the Alar and Basal Laminae of the Hind-Brain
File:Keith1921 fig084.jpg|
File:Keith1921 fig084.jpg|Fig. 84. Origin of the Inferior Medullary Velum from the roof plate of the Hind-Brain.
File:Keith1921 fig085.jpg|
File:Keith1921 fig085.jpg|Fig. 85. Lateral View of the Cephalic Part of the Neural Tube in a 5th week Human Embryo.
File:Keith1921 fig086.jpg|
File:Keith1921 fig086.jpg|Fig. 86. Median Section of the Cerebellum and 4th Ventricle of a Frog.
File:Keith1921 fig087.jpg|
File:Keith1921 fig087.jpg|Fig. 87. The Human Cerebellum at the end of the 2nd month of development.
File:Keith1921 fig088.jpg|
File:Keith1921 fig088.jpg|Fig. 88. Cerebellum and Attachments of the Inferior Medullary Velum at 3rd month
File:Keith1921 fig089.jpg|
File:Keith1921 fig089.jpg|Fig. 89. Cerebellum of a Human Foetus early in the 4th month
File:Keith1921 fig090.jpg|
File:Keith1921 fig090.jpg|Fig. 90. Left and Right half of the Cerebellum of a Foetus of 5 months
File:Keith1921 fig091.jpg|
File:Keith1921 fig091.jpg|Fig. 91. Anterior part of the Roof of the Mid-Brain of a Cat, to show the subcommissural organ.
File:Keith1921 fig092.jpg|
File:Keith1921 fig092.jpg|Fig. 92. Diagrammatic Section across the posterior region of the Head of Ammoecetes
File:Keith1921 fig093.jpg|
File:Keith1921 fig093.jpg|Fig. 93. The Nerves and Ganglia of the Mid- and Hind-Brain of an Embryo at the end of the 6th week
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File:Keith1921 fig094.jpg|
File:Keith1921 fig094.jpg|Fig. 94. Brain of a Larval Fish primary form and relations of the fore-brain.
File:Keith1921 fig095.jpg|
File:Keith1921 fig095.jpg|Fig. 95. The Brain of the Lamprey from above.
File:Keith1921 fig096.jpg|
File:Keith1921 fig096.jpg|Fig. 96. Fore-Brain at the beginning and end of the 4th week.
File:Keith1921 fig097.jpg|
File:Keith1921 fig097.jpg|Fig. 97. The Thalamencephalon towards the end of the 6th week.
File:Keith1921 fig098.jpg|
File:Keith1921 fig098.jpg|Fig. 98. Embryonic Fore-Brain various parts linked to sensory tracts.
File:Keith1921 fig099.jpg|
File:Keith1921 fig099.jpg|Fig. 99. Pituitary Body of a Human Foetus in the 5th month.
File:Keith1921 fig100.jpg|
File:Keith1921 fig100.jpg|Fig. 100. Pineal Body and its commissure and ganglion.
File:Keith1921 fig101.jpg|
File:Keith1921 fig101.jpg|Fig. 101. Pituitary Body of a Pup Dog-Fish.
File:Keith1921 fig102.jpg|
File:Keith1921 fig102.jpg|Fig. 102. Development of the Pituitary.
File:Keith1921 fig103.jpg|
File:Keith1921 fig103.jpg|Fig. 103. Pituitary Body of a Human Foetus at the beginning of the 4th month.
File:Keith1921 fig104.jpg|
File:Keith1921 fig104.jpg|Fig. 104. The Pineal Gland and Sense Organ in a Lizard.
File:Keith1921 fig105.jpg|
File:Keith1921 fig105.jpg|Fig. 105. Showing stages of development of the Pineal Body in the roof of the Fore-Brain
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File:Keith1921 fig106.jpg|
File:Keith1921 fig106.jpg|Fig. 106. Cerebral Vesicle and the formation of the Corpus Striatum on its floor, during the 6th week.
File:Keith1921 fig107.jpg|
File:Keith1921 fig107.jpg|Fig. 107. Expansion of the left Cerebral Vesicle as seen on its lateral aspect.
File:Keith1921 fig108.jpg|
File:Keith1921 fig108.jpg|Fig. 108. Fore- and Mid-Brain at the 6th week of development.
File:Keith1921 fig109.jpg|
File:Keith1921 fig109.jpg|Fig. 109. 3rd and lateral Ventricles of the Adult.
File:Keith1921 fig110.jpg|
File:Keith1921 fig110.jpg|Fig. 110. Turtle's Cerebral Vesicle and Primitive Mammalian Cerebrum.
File:Keith1921 fig111.jpg|
File:Keith1921 fig111.jpg|Fig. 111. Differentiation of the Pallial Wall of the Cerebral Vesicle.
File:Keith1921 fig112.jpg|
File:Keith1921 fig112.jpg|Fig. 112. Left Hemisphere of the Brain of a primitive vertebrate brain anterior to the Lamina Terminalis.
File:Keith1921 fig113.jpg|
File:Keith1921 fig113.jpg|Fig. 113. Coronal section of the right half of the Cerebral Vesicle of a Primitive Type of Mammal.
File:Keith1921 fig114.jpg|
File:Keith1921 fig114.jpg|Fig. 114. Lateral Aspect of the Cerebrum of a Primitive Mammal.
File:Keith1921 fig115.jpg|
File:Keith1921 fig115.jpg|Fig. 115. The Anterior, Hippocampal and Callosal Commissures.
File:Keith1921 fig116.jpg|
File:Keith1921 fig116.jpg|Fig. 116. Mesial Aspect of the Brain of a Human Foetus in 4th month.
File:Keith1921 fig117.jpg|
File:Keith1921 fig117.jpg|Fig. 117. Mesial aspect of the Cerebral Vesicle of a Foetus about 3 months old.
File:Keith1921 fig118.jpg|
File:Keith1921 fig118.jpg|Fig. 118. Structures formed in the Lamina Terminalis and Primitive Callosal Gyrus.
File:Keith1921 fig119.jpg|
File:Keith1921 fig119.jpg|Fig. 119. Lateral Aspect of the Cerebral Hemisphere at the end of the 2nd month
File:Keith1921 fig120.jpg|
File:Keith1921 fig120.jpg|Fig. 120. The same Aspect during the 5th month.
File:Keith1921 fig121.jpg|
File:Keith1921 fig121.jpg|Fig. 121. The same Aspect during the 7th month.
File:Keith1921 fig122.jpg|
File:Keith1921 fig122.jpg|Fig. 122. Opercula and Fissure of Sylvius.
File:Keith1921 fig123.jpg|
File:Keith1921 fig123.jpg|Fig. 123. The Island of Reil and Fissures on the Lateral Aspect of the Brain of a dog-like Ape.
File:Keith1921 fig124.jpg|
File:Keith1921 fig124.jpg|Fig. 124. The more common condition of the Island of Reil in Anthropoids.
File:Keith1921 fig125.jpg|
File:Keith1921 fig125.jpg|Fig. 125. The Fissures on the Lateral Aspect of a typical Mammalian Brain.
File:Keith1921 fig126.jpg|
File:Keith1921 fig126.jpg|Fig. 126. The Lateral Aspect of the Occipital Lobe of a Human Brain
File:Keith1921 fig127.jpg|
File:Keith1921 fig127.jpg|Fig. 127. The Mesial Aspect of the Occipital Lobe of a Human Brain
File:Keith1921 fig128.jpg|
File:Keith1921 fig128.jpg|Fig. 128. Arteries of the Brain end of the first month.
File:Keith1921 fig129.jpg|
File:Keith1921 fig129.jpg|Fig. 129. The Primitive Vein of the Head and its tributaries in the 6th week
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File:Keith1921 fig130.jpg|
File:Keith1921 fig130.jpg|Fig. 130. The Chondrocranium of a Shark laid open by a mesial sagittal section.
File:Keith1921 fig131.jpg|
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[[Category:Draft]]

Latest revision as of 11:00, 18 November 2016

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Keith, A. Human Embryology And Morphology (1921) Longmans, Green & Co.:New York.

Human Embryology and Morphology: 1 Early Ovum and Embryo | 2 Connection between Foetus and Uterus | 3 Primitive Streak Notochord and Somites | 4 Age Changes | 5 Spinal Column and Back | 6 Body Segmentation | 7 Spinal Cord | 8 Mid- and Hind-Brains | 9 Fore-Brain | 10 Fore-Brain Cerebral Vesicles | 11 Cranium | 12 Face | 13 Teeth and Mastication | 14 Nasal and Olfactory | 15 Sense OF Sight | 16 Hearing | 17 Pharynx and Neck | 18 Tongue, Thyroid and Pharynx | 19 Organs of Digestion | 20 Circulatory System | 21 Circulatory System (continued) | 22 Respiratory System | 23 Urogenital System | 24 Urogenital System (Continued) | 25 Body Wall and Pelvic Floor | 26 Limb Buds | 27 Limbs | 28 Skin and Appendages | Figures

Historic Disclaimer - information about historic embryology pages 
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Pages where the terms "Historic" (textbooks, papers, people, recommendations) appear on this site, and sections within pages where this disclaimer appears, indicate that the content and scientific understanding are specific to the time of publication. This means that while some scientific descriptions are still accurate, the terminology and interpretation of the developmental mechanisms reflect the understanding at the time of original publication and those of the preceding periods, these terms, interpretations and recommendations may not reflect our current scientific understanding.     (More? Embryology History | Historic Embryology Papers)

Note some of these figures are the same as those used in the earlier 1902 first edition.

Early Changes in the Development of the Ovum and Embryo

1 Early Ovum and Embryo

  • Fig. 1. Parts of a Mature Human Ovum

    Fig. 1. Parts of a Mature Human Ovum

  • Fig. 2. Human Embryo and its Membranes at the end of the fifth week

    Fig. 2. Human Embryo and its Membranes at the end of the fifth week

  • Fig. 3. Position of the Ovary and Fallopian Tube in the 5th month

    Fig. 3. Position of the Ovary and Fallopian Tube in the 5th month

  • Fig. 4. Foetus at the beginning of the 3rd month

    Fig. 4. Foetus at the beginning of the 3rd month

  • Fig. 5. Human Embryo and its Membranes at the end of the fifth week

    Fig. 5. Human Embryo and its Membranes at the end of the fifth week

  • Fig. 6. Ovary of a fifth month Foetus

    Fig. 6. Ovary of a fifth month Foetus

  • Fig. 7. Ripe Graafian Follicle at Puberty

    Fig. 7. Ripe Graafian Follicle at Puberty

  • Fig. 8. Broad Ligament and Fallopian Tube

    Fig. 8. Broad Ligament and Fallopian Tube

  • Fig. 9. Mature Ovum of Bat

    Fig. 9. Mature Ovum of Bat

  • Fig. 10. Karyokinesis in a somatic cell

    Fig. 10. Karyokinesis in a somatic cell

  • Fig. 11. Spermatozoon

    Fig. 11. Spermatozoon

  • Fig. 12. Production of the Blastula or Morula from the Ovum

    Fig. 12. Production of the Blastula or Morula from the Ovum

  • Fig. 13. Stage I. The Blastula

    Fig. 13. Stage I. The Blastula

  • Fig. 14. The Blastocyst

    Fig. 14. The Blastocyst

  • Fig. 15. Stage II. The Blasto-dermic Stage

    Fig. 15. Stage II. The Blasto-dermic Stage

  • Fig. 16. Origin of the Primitive Coelom, the Mesoblast and Cavity of the Amnion

    Fig. 16. Origin of the Primitive Coelom, the Mesoblast and Cavity of the Amnion

  • Fig. 17. Stage IV. Section through the bivesicular blastocyst embedded in the wall of the Uterus

    Fig. 17. Stage IV. Section through the bivesicular blastocyst embedded in the wall of the Uterus

  • Fig. 18. Stage V. Diagrammatic Section of a human pregnancy towards the end of the 3rd week

    Fig. 18. Stage V. Diagrammatic Section of a human pregnancy towards the end of the 3rd week

  • Fig. 19. Medullary folds and somites on the embryonic plate

    Fig. 19. Medullary folds and somites on the embryonic plate

  • Fig. 20. Human Embryo 2.5 mm long towards the end of the fourth week

    Fig. 20. Human Embryo 2.5 mm long towards the end of the fourth week

  • Fig. 21. Schematic Transverse Sections of two Human Embryos

    Fig. 21. Schematic Transverse Sections of two Human Embryos

  • Fig. 22. Showing a human embryo 5 mm in length

    Fig. 22. Showing a human embryo 5 mm in length

  • Fig. 23. Roof of the Coelomic cavity of a human embryo in the fifth week

    Fig. 23. Roof of the Coelomic cavity of a human embryo in the fifth week

The Manner in which a Connection is Established between the Foetus and Uterus

2 Connection between Foetus and Uterus

  • Fig. 24. Uterus showing the Embedded Ovum and the Decidua Three Parts

    Fig. 24. Uterus showing the Embedded Ovum and the Decidua Three Parts

  • Fig. 25. The Yolk Sac and early vessels of the human embryo about the end of the 3rd week of development

    Fig. 25. The Yolk Sac and early vessels of the human embryo about the end of the 3rd week of development

  • Fig. 26. Yolk Sac, blood vessels and nucleated red blood corpuscles in its mesoblastic layer

    Fig. 26. Yolk Sac, blood vessels and nucleated red blood corpuscles in its mesoblastic layer

  • Fig. 27. The cloaca, bladder and abdominal vein of a frog

    Fig. 27. The cloaca, bladder and abdominal vein of a frog

  • Fig. 28. The primitive form of the Allantois

    Fig. 28. The primitive form of the Allantois

  • Fig. 29. Chorion and amnion arise in the chick embryo from folds of the somatopleure

    Fig. 29. Chorion and amnion arise in the chick embryo from folds of the somatopleure

  • Fig. 30. Decidua Serotina (formed frcm the mucous membrane of uterus) and Chorion

    Fig. 30. Decidua Serotina (formed frcm the mucous membrane of uterus) and Chorion

  • Fig. 31. Section across the Body-Stalk

    Fig. 31. Section across the Body-Stalk

  • Fig. 32. Amnion, Chorion, and Decidua in the 3rd month and the Formation of the Placenta

    Fig. 32. Amnion, Chorion, and Decidua in the 3rd month and the Formation of the Placenta

  • Fig. 33. Elements in the formation of the Placenta

    Fig. 33. Elements in the formation of the Placenta

The Primitive Streak, Notochord and Somites

3 Primitive Streak Notochord and Somites

  • Fig. 34. Human embryonic plate measuring 1.5 mm in length

    Fig. 34. Human embryonic plate measuring 1.5 mm in length

  • Fig. 35. Sections along the median line of two embryonic plates

    Fig. 35. Sections along the median line of two embryonic plates

  • Fig. 36. Embryogenic area of an Embryonic plate viewed from above

    Fig. 36. Embryogenic area of an Embryonic plate viewed from above

  • Fig. 37. The Medullary Plate and Primitive Streak on an Embryo towards the end of the 3rd week

    Fig. 37. The Medullary Plate and Primitive Streak on an Embryo towards the end of the 3rd week

  • Fig. 38.Three stages in the early development of Amphioxus

    Fig. 38.Three stages in the early development of Amphioxus

  • Fig. 39. Vertebrate embryo to show the parts of the mesoderm, of the coelom

    Fig. 39. Vertebrate embryo to show the parts of the mesoderm, of the coelom

  • Fig. 40. Diagrammatic longitudinal section of a larval ganoid fish

    Fig. 40. Diagrammatic longitudinal section of a larval ganoid fish

  • Fig. 41. Division of the Embryonic Plate forming imperfect twins

    Fig. 41. Division of the Embryonic Plate forming imperfect twins

The Age Changes in the Embryo and Foetus

4 Age Changes

  • Fig. 42. Human Embryo 5 mm in length

    Fig. 42. Human Embryo 5 mm in length

  • Fig. 43. Stages of growth from 3rd week to the end of the 8th

    Fig. 43. Stages of growth from 3rd week to the end of the 8th

  • Fig. 44. Human Embryo 10.4 mm long and in the 6th week of development

    Fig. 44. Human Embryo 10.4 mm long and in the 6th week of development

  • Fig. 45. Embryo 11 mm long

    Fig. 45. Embryo 11 mm long

  • Fig. 46. Foetus 22 mm long

    Fig. 46. Foetus 22 mm long

The Spinal Column and Back

5 Spinal Column and Back

  • Fig. 47. Pyramids of the Spine

    Fig. 47. Pyramids of the Spine

  • Fig. 48. Curves of the Spinal Column

    Fig. 48. Curves of the Spinal Column

  • Fig. 49. Lumbo-sacral Region Spine Foetus end of the 2nd month

    Fig. 49. Lumbo-sacral Region Spine Foetus end of the 2nd month

  • Fig. 50. Variation in costal element of the seventh Cervical Vertebra

    Fig. 50. Variation in costal element of the seventh Cervical Vertebra

  • Fig. 51. Sclerotome, muscle plate and skin plate

    Fig. 51. Sclerotome, muscle plate and skin plate

  • Fig. 52. Where remnants of the Notochord may occur in the Adult

    Fig. 52. Where remnants of the Notochord may occur in the Adult

  • Fig. 53. The relationship of the Notochord to the basilar or parachordal cartilage

    Fig. 53. The relationship of the Notochord to the basilar or parachordal cartilage

  • Fig. 54. The Morphological Parts of the first Cervical Vertebra

    Fig. 54. The Morphological Parts of the first Cervical Vertebra

  • Fig. 55. The development of the Membranous Basis of a Vertebra

    Fig. 55. The development of the Membranous Basis of a Vertebra

  • Fig. 56. Showing the Stages in the Development of a Vertebra

    Fig. 56. Showing the Stages in the Development of a Vertebra

  • Fig. 57. The Order in which the Centres of Ossification appear in the Bodies

    Fig. 57. The Order in which the Centres of Ossification appear in the Bodies

  • Fig. 58. A Diagrammatic Section of the Foetal Axis, Atlas, and Basi-occipital

    Fig. 58. A Diagrammatic Section of the Foetal Axis, Atlas, and Basi-occipital

  • Fig. 59. The nature of the Atlanto-axio-occipital Articulations

    Fig. 59. The nature of the Atlanto-axio-occipital Articulations

  • Fig. 60. The Bicipital Rib of a Lower Vertebrate (crocodile)

    Fig. 60. The Bicipital Rib of a Lower Vertebrate (crocodile)

  • Fig. 61. Half of a first Lumbar Vertebra showing a separate costal element

    Fig. 61. Half of a first Lumbar Vertebra showing a separate costal element

  • Fig. 62. A Section to show the Nature of the Elements composing the Sacrum

    Fig. 62. A Section to show the Nature of the Elements composing the Sacrum

  • Fig. 63. A series of four figures showing the conlition of the liuman caudal or coccygeal region

    Fig. 63. A series of four figures showing the conlition of the liuman caudal or coccygeal region

The Segmentation of the Body

6 Body Segmentation

  • Fig. 64. Some of the structures derived from the 11th Dorsal Segment of the Right Side.

    Fig. 64. Some of the structures derived from the 11th Dorsal Segment of the Right Side.

  • Fig. 65 Transverse Section showing the Elements of the 1st Lumbar Segment in the Adult

    Fig. 65 Transverse Section showing the Elements of the 1st Lumbar Segment in the Adult

  • Fig. 66. The distribution of a typical Segmental Artery.

    Fig. 66. The distribution of a typical Segmental Artery.

  • Fig. 67. Nerve System of the 11th Dorsal Segment.

    Fig. 67. Nerve System of the 11th Dorsal Segment.

  • Fig. 68. Cervical and dorsal parts of the Spine of a Human Foetus showing irregularities of segmentation.

    Fig. 68. Cervical and dorsal parts of the Spine of a Human Foetus showing irregularities of segmentation.

Central Nervous System — Differentiation of the Spinal Cord

7 Spinal Cord

  • Fig. 69. Back of an Anencephalic Child in which the medullary plates were exposed on both head and spine.

    Fig. 69. Back of an Anencephalic Child in which the medullary plates were exposed on both head and spine.

  • Fig. 70. Ectodermal cells of the Medullary Plates are differentiated into nerve cells or neuroblasts and supporting cells or spongioblasts.

    Fig. 70. Ectodermal cells of the Medullary Plates are differentiated into nerve cells or neuroblasts and supporting cells or spongioblasts.

  • Fig. 71. Medullary Folds uniting to form the Neural Tube in a Human Embryo in the 3rd week of development.

    Fig. 71. Medullary Folds uniting to form the Neural Tube in a Human Embryo in the 3rd week of development.

  • Fig. 72. Four Primary Divisions of the Neural Tube.

    Fig. 72. Four Primary Divisions of the Neural Tube.

  • Fig. 73. Lateral View of the Central Nerve System of a Human Embryo of the 4th week

    Fig. 73. Lateral View of the Central Nerve System of a Human Embryo of the 4th week

  • Fig. 73, A. Showing the differentiation of the terminal part of the neural tube into the coccygeal thread and fllum terminale.

    Fig. 73, A. Showing the differentiation of the terminal part of the neural tube into the coccygeal thread and fllum terminale.

  • Fig. 74. Three stages in the early differentiation of the wall of the spinal neural tube.

    Fig. 74. Three stages in the early differentiation of the wall of the spinal neural tube.

  • Fig. 75. Developing Spinal Cord at the beginning of the 5th week.

    Fig. 75. Developing Spinal Cord at the beginning of the 5th week.

  • Fig. 76. Progressive differentiation of the spinal cord during the second and third months of development.

    Fig. 76. Progressive differentiation of the spinal cord during the second and third months of development.

  • Fig. 77. Section of the developing Spinal Cord

    Fig. 77. Section of the developing Spinal Cord

  • Fig. 78. Transformation of Cells of the Ectoderm to Sense Epithelium, Nerve Cells and Supporting Cells

    Fig. 78. Transformation of Cells of the Ectoderm to Sense Epithelium, Nerve Cells and Supporting Cells

  • Fig. 79. Lumbar Region to show the arrangement of parts in a typical case of cystic spina bifida.

    Fig. 79. Lumbar Region to show the arrangement of parts in a typical case of cystic spina bifida.

The Mid- and Hind-Brains

8 Mid- and Hind-Brains

  • Fig. 80. Tubular form, the neuromeres and relations of the Mid- and Hind-Brain in a Human Embryo 18 body somites

    Fig. 80. Tubular form, the neuromeres and relations of the Mid- and Hind-Brain in a Human Embryo 18 body somites

  • Fig. 81. Hind-Brain of a Human Embryo in the 6th week.

    Fig. 81. Hind-Brain of a Human Embryo in the 6th week.

  • Fig. 82. Hind-Brain to show the grouping of cranial nerves and their nuclei.

    Fig. 82. Hind-Brain to show the grouping of cranial nerves and their nuclei.

  • Fig. 83. Foetal Medulla and the Alar and Basal Laminae of the Hind-Brain

    Fig. 83. Foetal Medulla and the Alar and Basal Laminae of the Hind-Brain

  • Fig. 84. Origin of the Inferior Medullary Velum from the roof plate of the Hind-Brain.

    Fig. 84. Origin of the Inferior Medullary Velum from the roof plate of the Hind-Brain.

  • Fig. 85. Lateral View of the Cephalic Part of the Neural Tube in a 5th week Human Embryo.

    Fig. 85. Lateral View of the Cephalic Part of the Neural Tube in a 5th week Human Embryo.

  • Fig. 86. Median Section of the Cerebellum and 4th Ventricle of a Frog.

    Fig. 86. Median Section of the Cerebellum and 4th Ventricle of a Frog.

  • Fig. 87. The Human Cerebellum at the end of the 2nd month of development.

    Fig. 87. The Human Cerebellum at the end of the 2nd month of development.

  • Fig. 88. Cerebellum and Attachments of the Inferior Medullary Velum at 3rd month

    Fig. 88. Cerebellum and Attachments of the Inferior Medullary Velum at 3rd month

  • Fig. 89. Cerebellum of a Human Foetus early in the 4th month

    Fig. 89. Cerebellum of a Human Foetus early in the 4th month

  • Fig. 90. Left and Right half of the Cerebellum of a Foetus of 5 months

    Fig. 90. Left and Right half of the Cerebellum of a Foetus of 5 months

  • Fig. 91. Anterior part of the Roof of the Mid-Brain of a Cat, to show the subcommissural organ.

    Fig. 91. Anterior part of the Roof of the Mid-Brain of a Cat, to show the subcommissural organ.

  • Fig. 92. Diagrammatic Section across the posterior region of the Head of Ammoecetes

    Fig. 92. Diagrammatic Section across the posterior region of the Head of Ammoecetes

  • Fig. 93. The Nerves and Ganglia of the Mid- and Hind-Brain of an Embryo at the end of the 6th week

    Fig. 93. The Nerves and Ganglia of the Mid- and Hind-Brain of an Embryo at the end of the 6th week

The Fore-Brain or Prosencephalon

9 Fore-Brain

  • Fig. 94. Brain of a Larval Fish primary form and relations of the fore-brain.

    Fig. 94. Brain of a Larval Fish primary form and relations of the fore-brain.

  • Fig. 95. The Brain of the Lamprey from above.

    Fig. 95. The Brain of the Lamprey from above.

  • Fig. 96. Fore-Brain at the beginning and end of the 4th week.

    Fig. 96. Fore-Brain at the beginning and end of the 4th week.

  • Fig. 97. The Thalamencephalon towards the end of the 6th week.

    Fig. 97. The Thalamencephalon towards the end of the 6th week.

  • Fig. 98. Embryonic Fore-Brain various parts linked to sensory tracts.

    Fig. 98. Embryonic Fore-Brain various parts linked to sensory tracts.

  • Fig. 99. Pituitary Body of a Human Foetus in the 5th month.

    Fig. 99. Pituitary Body of a Human Foetus in the 5th month.

  • Fig. 100. Pineal Body and its commissure and ganglion.

    Fig. 100. Pineal Body and its commissure and ganglion.

  • Fig. 101. Pituitary Body of a Pup Dog-Fish.

    Fig. 101. Pituitary Body of a Pup Dog-Fish.

  • Fig. 102. Development of the Pituitary.

    Fig. 102. Development of the Pituitary.

  • Fig. 103. Pituitary Body of a Human Foetus at the beginning of the 4th month.

    Fig. 103. Pituitary Body of a Human Foetus at the beginning of the 4th month.

  • Fig. 104. The Pineal Gland and Sense Organ in a Lizard.

    Fig. 104. The Pineal Gland and Sense Organ in a Lizard.

  • Fig. 105. Showing stages of development of the Pineal Body in the roof of the Fore-Brain

    Fig. 105. Showing stages of development of the Pineal Body in the roof of the Fore-Brain

The Fore-Brain or Prosencephalon (continued) Cerebral Vesicles

10 Fore-Brain Cerebral Vesicles

  • Fig. 106. Cerebral Vesicle and the formation of the Corpus Striatum on its floor, during the 6th week.

    Fig. 106. Cerebral Vesicle and the formation of the Corpus Striatum on its floor, during the 6th week.

  • Fig. 107. Expansion of the left Cerebral Vesicle as seen on its lateral aspect.

    Fig. 107. Expansion of the left Cerebral Vesicle as seen on its lateral aspect.

  • Fig. 108. Fore- and Mid-Brain at the 6th week of development.

    Fig. 108. Fore- and Mid-Brain at the 6th week of development.

  • Fig. 109. 3rd and lateral Ventricles of the Adult.

    Fig. 109. 3rd and lateral Ventricles of the Adult.

  • Fig. 110. Turtle's Cerebral Vesicle and Primitive Mammalian Cerebrum.

    Fig. 110. Turtle's Cerebral Vesicle and Primitive Mammalian Cerebrum.

  • Fig. 111. Differentiation of the Pallial Wall of the Cerebral Vesicle.

    Fig. 111. Differentiation of the Pallial Wall of the Cerebral Vesicle.

  • Fig. 112. Left Hemisphere of the Brain of a primitive vertebrate brain anterior to the Lamina Terminalis.

    Fig. 112. Left Hemisphere of the Brain of a primitive vertebrate brain anterior to the Lamina Terminalis.

  • Fig. 113. Coronal section of the right half of the Cerebral Vesicle of a Primitive Type of Mammal.

    Fig. 113. Coronal section of the right half of the Cerebral Vesicle of a Primitive Type of Mammal.

  • Fig. 114. Lateral Aspect of the Cerebrum of a Primitive Mammal.

    Fig. 114. Lateral Aspect of the Cerebrum of a Primitive Mammal.

  • Fig. 115. The Anterior, Hippocampal and Callosal Commissures.

    Fig. 115. The Anterior, Hippocampal and Callosal Commissures.

  • Fig. 116. Mesial Aspect of the Brain of a Human Foetus in 4th month.

    Fig. 116. Mesial Aspect of the Brain of a Human Foetus in 4th month.

  • Fig. 117. Mesial aspect of the Cerebral Vesicle of a Foetus about 3 months old.

    Fig. 117. Mesial aspect of the Cerebral Vesicle of a Foetus about 3 months old.

  • Fig. 118. Structures formed in the Lamina Terminalis and Primitive Callosal Gyrus.

    Fig. 118. Structures formed in the Lamina Terminalis and Primitive Callosal Gyrus.

  • Fig. 119. Lateral Aspect of the Cerebral Hemisphere at the end of the 2nd month

    Fig. 119. Lateral Aspect of the Cerebral Hemisphere at the end of the 2nd month

  • Fig. 120. The same Aspect during the 5th month.

    Fig. 120. The same Aspect during the 5th month.

  • Fig. 121. The same Aspect during the 7th month.

    Fig. 121. The same Aspect during the 7th month.

  • Fig. 122. Opercula and Fissure of Sylvius.

    Fig. 122. Opercula and Fissure of Sylvius.

  • Fig. 123. The Island of Reil and Fissures on the Lateral Aspect of the Brain of a dog-like Ape.

    Fig. 123. The Island of Reil and Fissures on the Lateral Aspect of the Brain of a dog-like Ape.

  • Fig. 124. The more common condition of the Island of Reil in Anthropoids.

    Fig. 124. The more common condition of the Island of Reil in Anthropoids.

  • Fig. 125. The Fissures on the Lateral Aspect of a typical Mammalian Brain.

    Fig. 125. The Fissures on the Lateral Aspect of a typical Mammalian Brain.

  • Fig. 126. The Lateral Aspect of the Occipital Lobe of a Human Brain

    Fig. 126. The Lateral Aspect of the Occipital Lobe of a Human Brain

  • Fig. 127. The Mesial Aspect of the Occipital Lobe of a Human Brain

    Fig. 127. The Mesial Aspect of the Occipital Lobe of a Human Brain

  • Fig. 128. Arteries of the Brain end of the first month.

    Fig. 128. Arteries of the Brain end of the first month.

  • Fig. 129. The Primitive Vein of the Head and its tributaries in the 6th week

    Fig. 129. The Primitive Vein of the Head and its tributaries in the 6th week

The Cranium

11 Cranium

  • Fig. 130. The Chondrocranium of a Shark laid open by a mesial sagittal section.

    Fig. 130. The Chondrocranium of a Shark laid open by a mesial sagittal section.

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Development of the Face

12 Face

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The Teeth and Apparatus of Mastication

13 Teeth and Mastication

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The Nasal Cavities and Olfactory Structures

14 Nasal and Olfactory

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Development of the Structures concerned in the Sense of Sight

15 Sense OF Sight

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The Organ of Hearing

16 Hearing

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Pharynx and Neck

17 Pharynx and Neck

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Tongue, Thyroid and Structures developed from the Walls of the Primitive Pharynx

18 Tongue, Thyroid and Pharynx

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Organs of Digestion

19 Organs of Digestion

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Circulatory System

20 Circulatory System

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Circulatory System (continued)

21 Circulatory System (continued)

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Respiratory System

22 Respiratory System

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Urogenital System

23 Urogenital System

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Urogenital System (continued)

24 Urogenital System (Continued)

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Body Wall and Pelvic Floor

25 Body Wall and Pelvic Floor

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Development and Differentiation of the Limb Buds

26 Limb Buds

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Morphology of the Limbs

27 Limbs

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Skin and its Appendages

28 Skin and Appendages


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  • Fig. 490. Breast Arrangement of its Capsule and Lymphatics.

    Fig. 490. Breast Arrangement of its Capsule and Lymphatics.


Historic Disclaimer - information about historic embryology pages 
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Pages where the terms "Historic" (textbooks, papers, people, recommendations) appear on this site, and sections within pages where this disclaimer appears, indicate that the content and scientific understanding are specific to the time of publication. This means that while some scientific descriptions are still accurate, the terminology and interpretation of the developmental mechanisms reflect the understanding at the time of original publication and those of the preceding periods, these terms, interpretations and recommendations may not reflect our current scientific understanding.     (More? Embryology History | Historic Embryology Papers)

Human Embryology and Morphology: 1 Early Ovum and Embryo | 2 Connection between Foetus and Uterus | 3 Primitive Streak Notochord and Somites | 4 Age Changes | 5 Spinal Column and Back | 6 Body Segmentation | 7 Spinal Cord | 8 Mid- and Hind-Brains | 9 Fore-Brain | 10 Fore-Brain Cerebral Vesicles | 11 Cranium | 12 Face | 13 Teeth and Mastication | 14 Nasal and Olfactory | 15 Sense OF Sight | 16 Hearing | 17 Pharynx and Neck | 18 Tongue, Thyroid and Pharynx | 19 Organs of Digestion | 20 Circulatory System | 21 Circulatory System (continued) | 22 Respiratory System | 23 Urogenital System | 24 Urogenital System (Continued) | 25 Body Wall and Pelvic Floor | 26 Limb Buds | 27 Limbs | 28 Skin and Appendages | Figures

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