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.

Synonym(s): pars fetalis placentae

fetal placenta

That part of the placenta formed by aggregation of chorionic villi in which the umbilical vein and arteries ramify.

See also: placenta

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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.

Induction of B7-H1 expression by human cytomegalovirus in extravillous cytotrophoblast cells and role of MAPK pathway

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.

Effects of sodium cyclamate on the rat placenta: a morphometric study / Efectos del ciclamato de sodio en la placenta de rata: estudio morfometrico