The Large Fluid-Filled Cavity Within a Mature Ovarian Follicle Is

Question

The large fluid-filled cavity within a mature ovarian follicle is called the ________.
A) zona pellucida
B) antrum
C) corpus
D) liquor folliculi
E) None of the answers are correct.

Accepted Answer

The antrum is the large fluid-filled cavity within a mature ovarian follicle. The zona pellucida is a specialized extracellular matrix that surrounds the oocyte. The corpus (luteum) is a temporary endocrine structure that forms from the remnants of the ovarian follicle after ovulation. The liquor folliculi is another name for the fluid that fills the antrum of the ovarian follicle.