Interstitial cells of Leydig

Definition

Interstitial cells of Leydig, located in the testes, are responsible for producing testosterone. They play a crucial role in the development and maintenance of male secondary sexual characteristics.

5 Must Know Facts For Your Next Test

1. Leydig cells produce testosterone in response to luteinizing hormone (LH) from the pituitary gland.
2. These cells are found in the interstitial tissue between seminiferous tubules.
3. Testosterone produced by Leydig cells is essential for spermatogenesis.
4. Leydig cell function can be influenced by factors like age, health status, and hormonal levels.
5. They were named after Franz Leydig, who first described them in the 19th century.

Review Questions

Related terms

Luteinizing Hormone (LH): A hormone from the anterior pituitary gland that stimulates testosterone production by Leydig cells.

Spermatogenesis: The process of sperm cell development, which is supported by testosterone produced by Leydig cells.

Seminiferous Tubules: Structures within the testes where sperm is produced; located adjacent to Leydig cells.