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