allantochorion

allantochorion

 [ah-lan″to-kor´e-on] the allantois and chorion as one structure.

al·lan·to·cho·ri·on

(ă-lan-tō-kōr'ē-on), Extraembryonic membrane formed by the fusion of the allantois and chorion.

al·lan·to·cho·ri·on

(ă-lan'tō-kōr'ē-on) Extraembryonic membrane formed by fusion of the allantois and chorion.