Villous chorion | definition of villous chorion by Medical dictionary
the part of the chorion where the villi persist and form the fetal part of the placenta.
the region of the chorion that bears villi. Also called shaggy chorion
vil·lous chor·i·on (vil'ŭs kōr'ē-on)
That part of the chorion where the chorionic villi have persisted to form the fetal part of the placenta.
Synonym(s): bushy chorion
, chorion frondosum