File:Bartelmez1922-fig02.jpg

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Fig. 2. A series of tracings made from the sections with the Edinger apparatus

X 200, and reduced to 66% diameters in reproduction. The solid color marks the otic plate and the acousticofaeial ganglion and optic anlage; the rest of the nervous system, including the neural crest and the ectoderm, are stippled, the outer boundary of the pharynx is indicated by a heavy line and the myoepicardium marked by horizontal lines. The mesenchyme is not shown except Where it was shrunken and then its outer limits are drawn.

a. Mall embryo no. 391 — eight somites—section 45.

b. H87 — eight somites section 64 (cf. figs. 3 and 4).

c. Eternod ‘Du Ga’ — nine somites — section 49.

d. N.Y.U. embryo no. 4 — fourteen somites — section 32.

e. Pfannenstiel III — fourteen somites — section 41.

f. Mall embryo no. 470 - sixteen somites — s1. 2-1-7.

a.i.p., anterior intestinal portal; ao., aorta; d.r.v., dorsal second aortic ramus; op.sul., optic sulcus; pe.c., pericardial cavity; ph., pharynx; VIII sul.; otic sulcus. In this and all other figures of sections the right side of the embryo appears at the observer’s left.


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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)
Links: Fig 1 | Fig 2 | Fig 3 | Fig 4 | Fig 5 | Fig 6 | Fig 7 | Fig 8 | Fig 9 | Fig 10 | Bartelmez 1922 | Historic Embryology Papers | Hearing | Vision

Reference

Bartelmez GW. The origin of the otic and optic primordia in man. (1922) J. Comp. Neural., 34: 201-232.


Cite this page: Hill, M.A. (2024, April 13) Embryology Bartelmez1922-fig02.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Bartelmez1922-fig02.jpg

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