File:Hertig1956 fig70.jpg

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Fig. 70. Abnormal Implanted Ovum

Section through the greatest diameter of the specimen of about 12 days shown in figure 69. Note prominence of surrounding endometrium (suggesting previous polyp), defective trophoblast with pathologically large lacunae and small chorionic, cavity. The latter contains no recognizable germ disc although there is a mesoblastic membrane faintly reminiscent of that of the cxocoelom. This ovum would undoubtedly have aborted and is an example of the commonest cause of spontaneous abortion — that due to lack of or early death of the embryo. Carnegie 7771, Section 34-1. X 100.



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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, May 24) Embryology Hertig1956 fig70.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Hertig1956_fig70.jpg

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