File:Bailey501.jpg

Fig. 501. Vertical section through wall of uterus and placenta in situ about seven months' development

Minot.

In the fully developed placenta, the chorionic villi lie either free (floating villi) or attached to the decidua (fastening villi) in what are known as intervillous spaces (Fig. 500). In sections the villi are, on account of their structure, cut in all directions, many sections of villi being entirely free from their basal connections. The villi thus present the appearance of projections, peninsulas, or islands lying in spaces filled with blood (Fig. 501).

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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. (2026, October 3) Embryology Bailey501.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Bailey501.jpg

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