资料来源 : pyDict

绒毛膜,浆膜,蛋壳

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Chorion \Cho"ri*on\, n. [NL., fr. Gr. ?.]
   1. (Anat.)
      (a) The outer membrane which invests the fetus in the
          womb; also, the similar membrane investing many ova at
          certain stages of development.
      (b) The true skin, or cutis.

   2. (Bot.) The outer membrane of seeds of plants.

资料来源 : WordNet®

chorion
     n : outermost membranous sac enclosing the embryo in higher
         vertebrates (reptiles, birds and mammals)