zona pellucida

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Definitions from WordNet

Noun zona pellucida has 1 sense

zona pellucida - 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
--₁ is a kind of zone, zona

Definitions from the Web

Zona Pellucida

Description:

The zona pellucida is a thick glycoprotein membrane that surrounds the oocyte, or egg cell, in mammals. It plays a crucial role in fertilization, protecting the oocyte and assisting in sperm recognition and binding.

Senses:

Sense 1:

Noun: The thick glycoprotein membrane surrounding the oocyte in mammals.

Example: The sperm must penetrate the zona pellucida to fertilize the egg.

Usages:

Usage 1:

Noun: The zona pellucida is a vital component of the female reproductive system.

Example: The zona pellucida ensures the protection and proper development of the oocyte.

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