choria is chorion's Plural Form

chorion

US 
UK 
  • n.【解】绒(毛)膜；浆膜；(动】卵壳
  • Web绒膜
Plural Form：choria  

E-C

Web Definition

n.
1.
【解】绒(毛)膜;浆膜;(动】卵壳