chon.dro.cra.ni.um

n.（名詞）
【復(fù)數(shù)】 chon.dro.cra.ni.ums 或 chon.dro.cra.ni.a [-nô-…]
The cartilaginous cranium of an embryo before ossification.
軟骨顱：胚胎在骨化作用之前的軟骨性頭顱
A portion of the embryonic cranium forming the bones of the base of the skull and eventually undergoing ossification.
軟骨顱：胚胎的頭顱中形成顱骨基部骨頭并最終被骨化的部分