File:Hertig1956 fig59.jpg

Fig. 59. 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.

59 An intact abnormal 5-cell morula showing variation in the size and shape of the blastomeres each of which contains a number of small rounded nuclear fragments. Note intact zona closely applied to the blastomeres, an artifact of fixation. Carnegie 8630, Sequence 7. 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 fig59.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Hertig1956_fig59.jpg

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