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Figures

XIV. The Development of the Nervous System

I. Histogenesis of Nervous Tissue

Fig. 1. Three early stages in the development of the wall of the neural tube
Fig. 2. Wall of the neural tube in a human embryo about two weeks old
Fig. 3. Diagram showing the differentiation of the cells of the wall of the neural tube
Fig. 4. Development of neuroglia framework.
Fig. 5. Combined drawings, after Golgi and Benda methods, of the spinal cord of fetal pig, 20 cm. long
Fig. 6. Section of spinal cord of suckling pig of two weeks
Fig. 7. Neuroglia fibres in adult human spinal cord, showing their relation to 'the protoplasm of the neuroglia cell and its processes.
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Fig. 8. Diagram showing distribution of neuroblasts in human embryo of four weeks.
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Fig. 9. Cluster of neuroblasts from nucleus of origin of n. oculomotorius, showing characteristic shape and grouping of cells.
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Fig. 10. Section through floor of mid-brain of human embryo one month old.
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Fig. 11. Isolated ganglion-cells, from embryonic spinal cord of frog, and growing in clotted lymph.
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Fig. 12. Three views, taken at intervals of Ik and 8i hours, of the same living nerve-fibres growing from a mass of spinal-cord tissue (frog embryo) out into clotted lymph.
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Fig. 13. Transverse .sections through dorsal region of human embryos showing three stages in the development of the ganglion crest and the anlage of the spinal ganglia.
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Fig. 14. Section through spinal ganglion of human embryo 18 mm. long, about 6 weeks old .
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Fig. 15. Section through cervical spinal ganglion of human fetus 8.5 cm. long, about 3 months old, showing large ganglion-cells with eccentric nuclei.
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Fig. 16. Section through sixth cervical ganglion of human fetus 10.5 cm. long, about 4 months old.
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Fig. 17. Isolated cells teased from spinal ganglia of embryo pigs 20-40 mm. long, showing the variation in the form of the early ganglion-cells
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Fig. 18. Teased preparations from spinal ganglia of pig, showing development of sheath and capsule cells.
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Fig. 19. Isolated fibres showing development of medullary sheath.
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Fig. 20. Isolated fibres of the sciatic nerve of sheep fetus 15 cm. long, treated with osmic acid and showing development of the nerve-sheath.
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Fig. 21. Section through hind-brain of new-born child, showing myelinization of fifth, sixth, seventh, and eighth cranial nerves and associated fibre tracts

II. Development of the Central Nervous System

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Fig. 30. Profile views of the brains of human embryos as seen during the third (A), fourth (B), and eighth (C) weeks
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Fig. 32. Reconstruction showing the cranial nerves in a 10 mm human embryo
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Fig. 44. Reconstruction showing cephalic portion of the rhombencephalon and adjoining midbrain at end of second month (human embryo 30 mm long (Mall collection. No. 86).

III. Peripheral Nervous System

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XVII. The Development of the Digestive Tract and of the Organs of Respiration

The Early Development of the Entodermal Tract and the Formation of its Subdivisions

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The Development of the Sense-Organs

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Fig 121 Frontal section papilla vallata human fetus 11 cm
Fig 122 Frontal section papilla vallata human fetus 21.3 cm
Fig 123-125 Three taste-buds human fetus 21.3 cm
Fig 126 Development of vallate papilla

The Mouth and Its Organs

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The Development Of The Oesophagus

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The Development of the Stomach

Fig 274 Sections of the stomach of a 10 mm.
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The Development of the Small Intestine

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The Development of the Pharynx and of the Organs of Respiration

Fig 314 Pharynx of the embryo Klb (Kromer-Pfannenstiel
Fig 315 Pharynx of the embryo Rob. Meyer No. 335
Fig 316 Pharynx of the embryo Hah
Fig 317 Pharynx of the embryo Rob. Meyer No. 300
Fig 318 model shown in Fig. 317
Fig 319 Pharyngeal pouches of the embryo Hah
Fig 320 Pharyngeal region of the embryo BR
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I. General Morphology of the Pharyngeal Pouches

Fig. 314. Pharynx of the embryo Klb (Kromer-Pfannenstiel ; Normentafel, No. 3; 5-6 primitive segments, length, determined from the number of sections, 1.38 mm.)
Fig. 315. Pharynx of the embryo Rob. Meyer No. 335 (9-10 pairs of primitive segments, length, determined from the number of sections, 1.70 mm.)
Fig. 316. Pharynx of the embryo Hah in the collection of the First Anatomical Institute, Vienna (about 15 pairs of primitive segments, length about 3 mm.)
Fig. 317. Pharynx of the embryo Rob. Meyer No. 300 (Normentafel Xo. 7, 23 pairs of primitive segments, 2.5 mm. vertex-breech length) seen from the ventral surface.
Fig. 318.The model shown in Fig. 317 from the lateral surface.
Fig. 319. Pharyngeal pouches of the embryo Hah of the First Anatomical Institute, Vienna (5.2 mm., about the same stage as No. 16 of the Normentafel).
Fig. 320. Pharyngeal region of the embryo BR (Normentafel No. 42, 9.75 mm. vertex-breech measurement), from the ventral surface.

II. The Differentiation of the Pharyngeal Pouches - the Second Pharyngeal Pouch and the Tonsils

Fig. 321. Branchial derivatives of an embryo of 11.7 mm. (nape-length), somewhat simplified.
Fig. 322. Dorsal view of the left half of the pharynx of an embryo of 21 mm. (nape-length).
Fig. 323. Pharynx of an embryo of 24.4 mm. (nape-length), from the left side, somewhat simplified.
Fig. 324. Schema of the branchiogenic derivatives in man, adapted from the schemata of Groschuff and Kohn.
Figs. 325 and 326.Two sections through the embryo BR (compare Fig. 320).
Figs. 327 and 328. Two sections through the embryo BR (compare Fig. 320).
Fig. 329. The branchiogenic organs of an embryo of 26 mm., somewhat simplified. (After Verdun, 1898.)
Fig. 330. Section through the laryngeal region of the embryo Nat2 of the First Anatomical Institute, Vienna (19.75 mm. vertex-breech length).

B. The Development of the Respiratory Apparatus

Fig. 331. Anlage of the respiratory tract of an embryo of 23 primitive segments
Fig. 332. Lung anlage of an embryo of 4.25 mm. vertex-breech measurement, from the ventral side.
Fig. 333. The same model seen from the left side.
Fig. 334. Entrance to the larynx of an embryo of 8 mm
Fig. 335.Laryngeal entrance of an embryo of 28 to 29 days 8-9 mm
Fig. 336. Median section of the larynx shown in Fig. 335.
Fig. 337. — The entrance of the larynx in an embryo of 40-42 days 15-16 mm
Fig. 338. Entrance of the larynx of an embryo of 30 mm
Fig. 339. Entrance of the larynx of an embryo of 16/23 cm male.
Fig. 340. Entrance of the larynx of an embryo of 29/43 cm male.
Fig. 341. Epithelial lung anlage of the embryo 18. 5 mm
Fig. 342. Epithelial lung anlage of the embryo 7 mm
Figs. 343 and 344. lungs of an embryo at the beginning of the fifth week, ventral and dorsal views.
Fig. 343. lungs of an embryo at the beginning of the fifth week, ventral views.
Fig. 344. lungs of an embryo at the beginning of the fifth week, dorsal views.
Fig. 345 Anlage of the lung of embryo 10.5 mm seen from in front with arteries and veins
Fig. 346. Section through the lower lobe of the right lung of a fetus of 100 mm vertex-breech length
Fig. 347. The mesodermal anlage of the lungs of an embryo of 5 mm
Figs. 349 and 350. Mesodermal anlage of an embryo of about 13 mm seen from the ventral and the dorsal surface
Fig. 349. Mesodermal anlage of an embryo of about 13 mm seen from the ventral surface
Fig. 350. Mesodermal anlage of an embryo of about 13 mm seen from the dorsal surface
Figs. 351 and 352. Lungs of an embryo of about 17.5 mm. seen from the right and from the left.
Fig. 351. Lungs of an embryo of about 17.5 mm. seen from the right.
Fig. 352. Lungs of an embryo of about 17.5 mm. seen from the left.
Fig. 353. Schema of the lobation of the lung.

III. The Third to the Fifth Pharyngeal Pouches - the Branchiogenic Organs

XVIII. The Development of the Blood, the Vascular System, and the Spleen

I. The Origin of the Angioblast and the Development of the Blood

Fig. 354. Three primitive mesamoeboids from the yolk-sac of a human embryo about 1 mm
Fig. 355. Two blood-corpuscles human embryo 4 mm
Fig. 356. Three blood-corpuscles human embryo 7.5 mm
Fig. 357. Three blood-corpuscles human embryo 9.4 mm
Fig. 358. Four blood-corpuscles human embryo 15.5 mm
Fig. 359. Blood-corpuscles from a blood-vessel of a human embryo eight months
Fig. 360. An erythrocyte lying free in the mesenchyma
Fig. 361. Red blood-cells from the placental chorion human embryo 15 mm
Fig. 362. Four small lymphocytes from normal human blood.
Fig. 363. Finely granular (neutrophile) leucocyte with compact nucleus, a so-called myelocyte.
Fig. 364. A coarsely granular leucocyte (eosinophile) with a bilobate nucleus.
Fig. 365. Degenerating human leucocytes (Mastleucocyten of Maximow)
Fig. 366. Giant cells with processes from which blood-plates arise.
Fig. 367. Outlines of erythrocytes of a human embryo of 8 mm
Fig. 368. Endothelium and blood-cells from the lower part of the aorta of a human embryo of 9.4 mm
Fig. 369. Blood-corpuscles from the vessels of a human fetus of eight months.
Fig. 370. Blood-cells from a hepatic vessel of a human embryo of 11 mm
Fig. 371. Hepatic cylinders of a human embryo of 11 mm Coll. F. P. Mall, No. 353. The blood-cells with small nuclei lie apparently in the substance of the liver-cells, -which have large nuclei.

II. The Development of the Heart

Fig. 372. Section through the heart anlage of the Pfannenstiel-Kromer embryo Klb (Normentafel, Xo. 3, 5 to 6 primitive somites).
Fig. 373. Model of the heart of a human embryo 2.5 mm. greatest length.
Fig. 374. Model of the heart of the embryo Halj of 3 mm. greatest length, 15 primitive somites.
Fig. 375. The model shown in Fig. 374 after removal of the pericardium, seen from behind.
Fig. 376. Transverse section through the embryo Hah.
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Fig. 377. Section through the ventricular wall of the heart of embryo Hah, 3.5 mm. greatest length.
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Fig. 378. Model of the heart of the embryo Hah of 5.2 mm. greatest length.
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Fig. 379. Model of the heart of embryo £U of 6.5 mm. greatest length.
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Fig. 380. Model of [thejjheart of embryo La of 9 mm. greatest length.
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Fig. 381. Sagittal section through the model shown in Fig. 380, the section passing to the left of the septum I.
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Fig. 382. Transverse section through the heart region of the embryo Wal of 8 mm. greatest length.
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Fiag. 383. Section through the bulbus cordis of the embryo H6.
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Fig. 384. Model of the bulbus cordis of the embryo H6, divided longitudinally.
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Fig. 385. Section through the wall of the ventricle of embryo EU
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Fig. 386. Model of the heart of embryo S2 of 14.5 mm. greatest length.
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Fig. 387. Section through the heart of embryo Mi of 16.75 mm greatest length.
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Fig. 388. Model of the heart of an embryo of 310 mm greatest length.
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Fig. 389. Section through the heart of an embryo of 165 mm. greatest length.

C. Arteries

Fig. 421. Pharynx and aortic arches human embryo 5 mm
Fig. 422. Pharynx and aortic arches human embryo 7 mm
Fig. 423. A Pharynx and aortic arches human embryo 9 mm
Fig. 423. B Pharynx and aortic arches human embryo 9 mm
Fig. 424. Aortic arches fate in man
Fig. 425 Aortic arches human embryo 2.15 mm
Fig. 426 Aortic arches human embryo 3.2 mm
Fig. 427. Aortic arches human embryo 4.2 mm

XIX Development of the Urinogenital Organs

I. The Development of the Excretory Glands and their Ducts

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Fig. 573 a, b and c. Development of the mesonephric portal circulation
Fig. 574 Mesonephric veins human embryo 9.5 mm greatest length
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Fig. 579 a, b, c, and d. Diagrams representing form of the ampullae
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II. The Development of the Reproductive Glands and their Ducts

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III. The Urogenital Union

Fig. 631 posterior abdominal wall human embryo 19.4 mm
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IV. Development of the External Genitalia

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Fig. 658c. Female Genital - After the migration in the female

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Cite this page: Hill, M.A. (2024, April 23) Embryology Manual of Human Embryology II - Figures. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/Manual_of_Human_Embryology_II_-_Figures

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 ===I. The Development of the Excretory Glands and their Ducts===
 <gallery>
-File:Keibel Mall 2 579.jpg|Fig. 579 a, b, c, and d. Diagrams representing the form of the ampullae
+File:Keibel Mall 2 572.jpg|Fig. 572
+File:Keibel Mall 2 573.jpg|Fig. 573 a, b and c. Development of the mesonephric portal circulation
+File:Keibel Mall 2 574.jpg|Fig. 574 Mesonephric veins human embryo 9.5 mm greatest length
+File:Keibel Mall 2 575.jpg|Fig. 575
+File:Keibel Mall 2 576.jpg|Fig. 576
+File:Keibel Mall 2 577.jpg|Fig. 577
+File:Keibel Mall 2 578.jpg|Fig. 578
+File:Keibel Mall 2 579.jpg|Fig. 579 a, b, c, and d. Diagrams representing form of the ampullae
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+File:Keibel Mall 2 573.jpg|Fig. 573
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 ===II. The Development of the Reproductive Glands and their Ducts===

Manual of Human Embryology II - Figures: Difference between revisions