cumulus

(adjective)

A cluster of cells that surround the oocyte both in the ovarian follicle and after ovulation. These cells coordinate follicular development and oocyte maturation.

Examples of cumulus in the following topics:

Hormonal Regulation of the Female Reproductive Cycle
- In the preovulatory phase of the menstrual cycle, the ovarian follicle undergoes cumulus expansion stimulated by FSH.