Assertion: fallopian tube's layer | /r/LocatedNear | the oocyte
Facets:
Source sentences:
text: Primordial follicles have only a single flat layer of support cells, called granulosa cells, that surround the oocyte, and they can stay in this resting state for years—some until right before menopause.
text: One layer of flattened follicular cells surround the oocyte (about 30 µm in diameter).