Vitellus

[vi'telәs]

解释:

(n.) The contents or substance of the ovum; egg yolk. See Illust. of Ovum.

(n.) Perisperm in an early condition.

欧内斯廷编辑

解释:

n. the yolk of an egg.—adjs. Vit′ellary Vitell′ine pertaining to the vitellus or forming such.—n. Vitell′icle a yolk-sac.—adj. Vitelligenous (-ij′-) producing yolk.

校对:惠特尼