[[Image:Granulosa and Theca Cells.jpg|thumb|right|150px|Histological Section of the Ovary showing Granulosa and Theca Cells of a Follicle- Courtesy of J.Bredl, Copyright RVC 2008]]
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*Made up from two cell types; Granulosa cells and Theca cells aranged in two different layers.
*Made up from two cell types; Granulosa cells and Theca cells aranged in two different layers.
**The Granulosa cell layer is the inner cell layer found closest to the oocyte
**The Granulosa cell layer is the inner cell layer found closest to the oocyte