File:Hertig1956 fig54.jpg

Fig. 54 Reconstruction of half a 7-day ovum

Which presents an uneven surface of its solid trophohlast (stippled) to the adjacent endometrium. The trophoblast has already surrounded a. capillary sinusoid (left). The cut surface of the hilaminar germ disc is evident (endoderm cellular, ectoderm solid). Note primitive amniogenic cells above tiny amniotic cavity. The maternal sinusoidal network is merely the arteriovenous capillary network of the endometrium that has begun to undergo hypertrophy and dilation. See figures I1 and 12. Carnegie 8020. X 260.

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Reference

Hertig AT. Rock J. and Adams EC. A description of 34 human ova within the first 17 days of development. (1956) Amer. J Anat., 98:435-493.

Cite this page: Hill, M.A. (2024, April 27) Embryology Hertig1956 fig54.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Hertig1956_fig54.jpg

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