File:Hertig1945d fig06.jpg

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Fig. 6. A mid-crossi section from an ovum of approximately 8 days of age

Note the prominent amniotic cavity above the primitive ectoderm of the germ-disk but the amniogenic cells have not yet begun to form. There are, however, a few mesoblastic cells to the right of the germ-disk, several of which are still attached to their parent trophoblast. Carnegie 8155, section 4-4-8, X 500.


Hertig AT. On the development of the amnion and exocoelomic membrane in the previllous human ovum. (1945) Yale J Biol Med. 18:107-15. PubMed 21007544

Cite this page: Hill, M.A. (2024, April 22) Embryology Hertig1945d fig06.jpg. Retrieved from

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© Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G

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