Assertion: ovary's follicle | /r/MadeOf | primary oocyte
Facets:
value: until the preovulatory stage
type: TEMPORAL
Source sentences:
text: As girls reach puberty, each ovary contains thousands of these follicles, and each follicle contains a primary oocyte.
text: These follicles contain primary oocytes that are arrested in prophase of the first cell division of meiosis.
text: Until the preovulatory stage, the follicle contains a primary oocyte that is arrested in prophase of meiosis I.