Leydig cells

Definition

Leydig cells are specialized cells located in the testes that produce testosterone, a crucial hormone for the development of male secondary sexual characteristics and reproductive functions. These cells respond to luteinizing hormone signals by synthesizing and releasing testosterone into the bloodstream.

Related terms

Testosterone: A steroid hormone responsible for the development of male secondary sexual characteristics, such as increased muscle and bone mass, and the growth of body hair.

Luteinizing hormone (LH): A hormone produced by the anterior pituitary gland that triggers ovulation in females and stimulates testosterone production in males by acting on Leydig cells.

Sertoli cells: Cells found within the seminiferous tubules of the testes that support and nourish developing sperm cells, also playing a role in spermatogenesis