a nurse is conducting a refresher class for a group of nurses working in the prenatal clinic. after reviewing fetal development with the group, the nurse determines that the teaching was successful when the group identifies which barrier to other sperm after fertilization?

Respuesta :

Zona pellucida barrier to other sperm after fertilization.

Zona pellucida glycoproteins are accountable for species-restricted binding of sperm to unfertilized eggs, generating sperm to undergo acrosomal exocytosis, and containing sperm from binding to fertilized eggs.

What is the zona pellucida and where is it located?

The zona pellucida (ZP) is a fairly thick extracellular coat that surrounds all mammalian oocytes, ovulated eggs, and preimplantation sources . It is a highly specialized extracellular coat that brings out functions specific to mammalian reproduction.

What secretes the zona pellucida?

The zona pellucida first occurs in unilaminar primary oocytes. It is perspired by both the oocyte and the ovarian follicles. The zona pellucida is covered by the corona radiata. The corona is comprised of cells that care for the egg when it is ejected from the ovary.

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Complete Questipon is,

A. zona pellucida

B. zygote

C. cleavage

D. morula