File:Hertig1956 fig61.jpg

Fig. 61. Abnormal ova of the pre-implantation stage

Appear to be 3 to 5 days of age on the basis of coital data, endometrial findings and ovular development. Abnormality of nulltinucleated blastomeres and some show variable degrees of cellular degeneration or necrobiosis.

An intact abnormal 8-cell morula to show its flattened shape. When viewed from above as an intact object it was disc-like with some blastomeres obviously multinueleated and others indistinct and foamy. Carnegie 8450,, Sequence ll. X 500.

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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 fig61.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Hertig1956_fig61.jpg

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