- resembling the chorion, particularly in containing many blood vessels（尤指广布血管的）类绒毛膜的。
- the pigmented vascular layer of the eyeball between the retina and the sclera眼脉络膜。
派生词
choroidal
adjective词源
mid 17th cent.: from Greek khoroeidēs (adjective)， alteration of khorioeidēs, from khorion （see CHORION）.