part of part of develops from develops from develops into develops into directly develops from directly develops from directly develops into granulosa cell pre-granulosa cell squamous granulosa cell 2024-09-24T13:13:24Z pre-granulosa cell Often in literature squamous granulosa cell and pre-granulosa cell are used as synonyms. However, this term only makes reference to the quiescent granulosa cells that surround the primordial ovarian follicle, while a pre-granulosa cell proliferates to form the primordial follicle (and thus cells become the squamous granulosa cells). A granulosa cell that has a squamous morphology and form a single layer around the oocyte in primordial follicles. This cell develops directly into a cuboidal granulosa cell during the primordial-to-primary follicle transition. flattened granulosa cell cuboidal granulosa cell female reproductive system ovary female organism primordial ovarian follicle