Question:easy
Testosterone is secreted by which of the following cells?
Testosterone is secreted by which of the following cells?
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Think of the interstitial cells of the testis driven by LH.
Updated On: Jun 23, 2026
- Leydig's cells
- Somatotropic cells
- Acidophilic cells
- Gonadotropic cells
Show Solution
The Correct Option is A
Solution and Explanation
Step 1: Recall the site of androgen synthesis. Within the testis, the seminiferous tubules handle spermatogenesis, while the interstitial tissue between the tubules contains the steroid-producing cells.
Step 2: These interstitial cells are the Leydig cells, and they are the direct source of testosterone in the male.
Step 3: Pituitary LH binds Leydig cell receptors and drives cholesterol toward testosterone synthesis. The distractors (somatotropic, acidophilic, gonadotropic cells) are all anterior pituitary cell types and do not make testosterone.
Step 4: Therefore the testosterone-secreting cells are the Leydig cells. \[\boxed{\text{Leydig's cells}}\]
Step 2: These interstitial cells are the Leydig cells, and they are the direct source of testosterone in the male.
Step 3: Pituitary LH binds Leydig cell receptors and drives cholesterol toward testosterone synthesis. The distractors (somatotropic, acidophilic, gonadotropic cells) are all anterior pituitary cell types and do not make testosterone.
Step 4: Therefore the testosterone-secreting cells are the Leydig cells. \[\boxed{\text{Leydig's cells}}\]
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