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Meaning of ZONA PELLUCIDA

Pronunciation:  'zownu pu'loosidu

 
WordNet Dictionary
 
 Definition: 
[n]  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
 
 See Also: zona, zone

 

 

Biology Dictionary
 
 Definition: The elastic outer covering of an ovum.
 

 

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