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Fig. 10. A photomicrograph of the seventeenth section of the twelve-somite embryo H 197

(Univ. of California). X 100. On the right the section passes near the middle of the optic anlage (op.sul.); on the left through its rostral end (op.prim.). Medial to the optic evagination the thickened neural fold is» pro- liferating mesectoderm (mesecz). The section passes horizontally through the heart. pe.c., pericardial cavity; am., amnion; ph., pharynx; y.s., yolk sac.

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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)
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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, May 28) Embryology Bartelmez1922-fig10.jpg. Retrieved from

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