Organization of Placenta
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document in english
medical studies
research papers
date published 26/11/2007
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SummaryFrom the electron microscopic studies of Wislocki and Dempsey (1955), data were provided that permitted a functional interpretation of the fine structure of the placenta. There are prominent microvilli on the syncytial surface, corresponding to the "brush border" described by light microscopy. Associated pinocytotic vacuoles and vesicles are related to the absorptive and secretory placental functions. The inner layer of the villi—the cytotrophoblasts—persists to term, although often compressed against the trophoblastic basal lamina, and retains its ultrastructural simplicity.
Table of Contents
- TROPHOBLAST ULTRASTRUCTURE
- PLACENTAL COTYLEDONS
- BREAKS IN THE PLACENTAL "BARRIER"
- PLACENTAL SIZE AND WEIGHT
- PLACENTAL AGING
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