File:Bailey057.jpg

Fig. 57. Section of a 16-cell stage of an ovum of the opossum

Hartman.

Blastocyst formation is anticipated in that the cells are arranged around the cleavage cavity, and will be completed when the gaps (i) are closed.

The black masses represent yolk globules in the t. cytoplasm and in the cleavage cavity.

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Pages where the terms "Historic" (textbooks, papers, people, recommendations) appear on this site, and sections within pages where this disclaimer appears, indicate that the content and scientific understanding are specific to the time of publication. This means that while some scientific descriptions are still accurate, the terminology and interpretation of the developmental mechanisms reflect the understanding at the time of original publication and those of the preceding periods, these terms, interpretations and recommendations may not reflect our current scientific understanding.     (More? Embryology History | Historic Embryology Papers)

Reference

Bailey FR. and Miller AM. Text-Book of Embryology (1921) New York: William Wood and Co.

Cite this page: Hill, M.A. (2024, April 25) Embryology Bailey057.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Bailey057.jpg

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