The layer of clear, viscous fluid that is deposited around a primary oocyte is the:

A) corona radiata.
B) cumulus mass.
C) primary follicle.
D) theca.
E) zona pellucida.


Answer: E) zona pellucida.
The zona pellucida is the layer of clear, viscous fluid that is deposited around a primary oocyte.
The cumulus mass is the mass of follicular cells where the oocyte lies in a graafian follicle.

Anatomy & Physiology

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