fetal placenta


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fe·tal pla·cen·ta

, placenta fetalis
the chorionic portion of the placenta, containing the fetal blood vessels, from which the umbilical cord develops; specifically, in humans, it develops from the villous chorion.

fetal placenta

That part of the placenta formed by aggregation of chorionic villi in which the umbilical vein and arteries ramify.
See also: placenta
References in periodicals archive ?
This suggests that B7-H1 is important to maternal immunological tolerance of the fetal placenta. Many studies have clearly demonstrated that B7-H1 has dual roles in immunological tolerance: induction and maintenance of peripheral tolerance.6 The precise mechanism underlying B7-H1 expression in trophoblast cells is unclear.
In analyzing Table IV, cariometry of chorionic villi (also the fetal placenta), can be observed with the following alterations in a statistically significant manner: mean diameter, perimeter, area, volume and relation between volume and area, also suggesting nuclear diminution.