Testosterone is secreted by the
- A. Sertoli cells
- B. interstitial cells of Leydig
- C. germinal epithelium
- D. seminal vesicles
Explanation
The Leydig cells lie in the connective tissue between the seminiferous tubules and secrete testosterone in response to luteinising hormone from the anterior pituitary. Sertoli cells sit inside the tubules and nourish the developing sperm, which is why they are the usual confusion. Testosterone maintains sperm production and the secondary sexual characters such as voice and body hair.