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Chorionic vessels

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From Wikipedia, the free encyclopedia
Vasculature of the placenta, with a chorionic artery labeled in .
Annotated H&E micrograph of a chorionic villus at term, showing the syncytiotrophoblast, a syncytial knot, villous connective tissue, a fetal capillary, and maternal erythrocytes in the surrounding intervillous space.
High-magnification H&E of a chorionic villus, showing "endothelial cell" around one of the chorionic vessels.

Chorionic (plate) vessels, also fetal surface vessels[1] are blood vessels, including both arteries and veins, that carry blood through the chorion in the fetoplacental circulation. Chorionic arteries branch off the umbilical artery, and supply the capillaries of the chorionic villi. Increased vasocontractility of chorionic arteries may contribute to preeclampsia.[2]

References

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  1. ↑ Wang, Yuping; Zhao, Shuang (2010). "Placental Blood Circulation". Morgan & Claypool Life Sciences. Retrieved 31 October 2022.
  2. ↑ Benoit, C.; Zavecz, J.; Wang, Y. (2007). "Vasoreactivity of Chorionic Plate Arteries in Response to Vasoconstrictors Produced by Preeclamptic Placentas". Placenta. 28 (5–6): 498–504. doi:10.1016/j.placenta.2006.09.002. PMC 3070483. PMID 17070574.


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