Human Embryology and Morphology - Figures: Difference between revisions

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File:Keith1921 fig042.jpg|Fig. 42. Outline of a Human Embryo 5 mm in length
File:Keith1921 fig042.jpg|Fig. 42. Outline of a Human Embryo 5 mm in length
File:Keith1921 fig043.jpg|Fig. 43. Six drawings stages of growth from 3rd week to the end of the 8th
File:Keith1921 fig043.jpg|Fig. 43. Six drawings stages of growth from 3rd week to the end of the 8th
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Revision as of 05:28, 26 December 2014

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 
Mark Hill.jpg
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)

Early Changes in the Development of the Ovum and Embryo

1 Early Ovum and Embryo

  • Fig. 1. The parts of a Mature Human Ovum

    Fig. 1. The parts of a Mature Human Ovum

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

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

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

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

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

    Fig. 4. Diagrammatic Section of a Foetus at the beginning of the 3rd month

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

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

  • Fig. 6. Diagrammatic Section of the Ovary of a fifth month Foetus

    Fig. 6. Diagrammatic Section of the Ovary of a fifth month Foetus

  • Fig. 7. Ripe Graafian Follicle at Puberty

    Fig. 7. Ripe Graafian Follicle at Puberty

  • Fig. 8. Diagrammatic Section of the Broad Ligament and Fallopian Tube

    Fig. 8. Diagrammatic Section of the Broad Ligament and Fallopian Tube

  • Fig. 9. Mature Ovum of Bat

    Fig. 9. Mature Ovum of Bat

  • Fig. 10. Diagram of Karyokinesis in a somatic cell

    Fig. 10. Diagram of Karyokinesis in a somatic cell

  • Fig. 11. Spermatozoon

    Fig. 11. Spermatozoon

  • Fig. 12. Showing the production of the Blastula or Morula from the Ovum

    Fig. 12. Showing the 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. Showing the Origin of the Primitive Coelom, the Mesoblast and Cavity of the Amnion during the Development of the Human Ovum

    Fig. 16. Showing the Origin of the Primitive Coelom, the Mesoblast and Cavity of the Amnion during the Development of the Human Ovum

  • 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 of development

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

  • Fig. 19. The formation of the medullary folds and somites on the embryonic plate

    Fig. 19. The formation of the medullary folds and somites on the embryonic plate

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

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

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. Outline of a Human Embryo 5 mm in length

    Fig. 42. Outline of a Human Embryo 5 mm in length

  • Fig. 43. Six drawings stages of growth from 3rd week to the end of the 8th

    Fig. 43. Six drawings stages of growth from 3rd week to the end of the 8th

  • Keith1921 fig044.jpg
  • Keith1921 fig045.jpg
  • Keith1921 fig046.jpg

The Spinal Column and Back

5 Spinal Column and Back

  • Fig. 47. Diagram of the Pyramids of the Spine

    Fig. 47. Diagram of the Pyramids of the Spine

  • Fig. 48. Diagram of the Curves of the Spinal Column

    Fig. 48. Diagram of the Curves of the Spinal Column

The Segmentation of the Body

6 Body Segmentation

Central Nervous System — Differentiation of the Spinal Cord

7 Spinal Cord

The Mid- and Hind-Brains

8 Mid- and Hind-Brains

The Fore-Brain or Prosencephalon

9 Fore-Brain

The Fore-Brain or Prosencephalon (continued). Cerebral Vesicles

10 Fore-Brain Cerebral Vesicles

The Cranium

11 Cranium

Development of the Face

12 Face

  • Keith1921 fig151.jpg

    Fig. 151.

The Teeth and Apparatus of Mastication

13 Teeth and Mastication

  • Keith1921 fig184.jpg

    Fig. 184.

The Nasal Cavities and Olfactory Structures

14 Nasal and Olfactory

Development of the Structures concerned in the Sense OF Sight

15 Sense OF Sight

The Organ of Hearing

16 Hearing

Pharynx and Neck

17 Pharynx and Neck


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

18 Tongue, Thyroid and Pharynx

Organs of Digestion

19 Organs of Digestion

Circulatory System

20 Circulatory System

Circulatory System (continued)

21 Circulatory System (continued)

Respiratory System

22 Respiratory System

Urogenital System

23 Urogenital System

Urogenital System (Continued)

24 Urogenital System (Continued)

Body Wall and Pelvic Floor

25 Body Wall and Pelvic Floor

Development and Differentiation of the Limb Buds

26 Limb Buds

Morphology of the Limbs

27 Limbs

Skin and its Appendages

28 Skin and Appendages



Historic Disclaimer - information about historic embryology pages 
Mark Hill.jpg
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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