theca cell
This term is a highly specialized anatomical designation used almost exclusively within the fields of endocrinology, histology, and reproductive biology. It describes a specific cellular component of the ovarian follicle, emphasizing its role in the steroidogenic pathway where it produces precursors for estrogen synthesis.
Because it refers to a distinct biological unit, it follows standard English countability rules for anatomical structures. It is typically used in technical descriptions of the follicular microenvironment or in medical research regarding polycystic ovary syndrome (PCOS) and other hormonal imbalances.
Meanings
A specialized cell located in the outer layer of an ovarian follicle that provides structural support and secretes hormones, such as androgens, which are then converted into estrogens by granulosa cells.
The theca cell plays a critical role in the hormonal regulation of the developing follicle.