《英文msh詞典》Externa,Theca
[入口詞] Externa,Theca
[主題詞] Theca Cells
[英文釋義] The flattened stroma cells forming a sheath or theca outside the basal lamina lining the mature OVARIAN FOLLICLE. Thecal interstitial or stromal cells are steroidogenic,and produce primarily ANDROGENS which serve as precusors of ESTROGENS in the GRANULOSA CELLS.