ZONA PELLUCIDA

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

Thick membrane around the mammalian ovum; can be penetrated by one sperm in the fertilization process; usually remains around the fertilized egg until it is implanted in the wall of the uterus

Classified under:

Nouns denoting body parts

Hypernyms ("zona pellucida" is a kind of...):

zona; zone ((anatomy) any encircling or beltlike structure)

Credits