chorion laeve


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Related to chorion laeve: decidua capsularis, chorion frondosum

chorion

 [kor´e-on]
an extraembryonic fetal membrane, composed of trophoblast lined with mesoderm; it develops villi, becomes vascularized, and forms the fetal part of the placenta.
chorion frondo´sum the placental part of the chorion; it is covered by villi.
chorion lae´ve the nonvillous, membranous part of the chorion.

smooth cho·ri·on

the nonvillous, membranous part of the chorion where the chorionic villi have degenerated.
Synonym(s): chorion laeve

chorion laeve

The smooth, nonvillous portion of the chorion.
See also: chorion

chorion

the outermost of the fetal membranes, composed of trophoblast lined with mesoderm; it develops villi, becomes vascularized by allantoic vessels, and forms the fetal part of the placenta.

chorion frondosum
the part of the chorion covered by villi.
chorion laeve
the nonvillous, membranous part of the chorion.