# ovisac

> English word · Noun

## Definitions
1. A Graafian follicle; any sac containing an ovum or ova.
2. The inner layer of the fibrous wall of a Graafian follicle.

## Etymology
From ovum and sac.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/ovisac