BiologyCLASS 12CBSE
answered 1 Jun 2026Explain a mature Graafian follicle in simple short points
A.VERIFIED ANSWERfact-checked by tutors
A mature Graafian follicle contains an oocyte, zona pellucida, antrum, granulosa cells, theca interna, theca externa, and basal lamina.
A Mature Graafian Follicle:
- Basal lamina – thin supporting layer around granulosa cells
- Theca externa – outer protective/supportive layer
- Theca interna – inner layer that secretes estrogen
- Antrum – fluid-filled cavity containing liquor folliculi
- Zona pellucida – protective layer around the oocyte
- Oocyte – developing female egg cell
- Granulosa cells – cells that nourish and support the oocyte