7 Questions
What is the primary function of sustentacular cells in the seminiferous tubules?
Act as a blood-testis barrier against immune responses
How does the negative feedback system regulate testosterone levels in the male reproductive system?
Increased testosterone inhibits GnRH, leading to decreased LH and testosterone production
Which accessory gland secretion contributes to sperm motility and viability?
Prostate gland
What is the primary function of the seminal vesicles in the male reproductive system?
Secrete a viscous fluid containing fructose and clotting proteins
Which gland secretion helps neutralize acidic substances for sperm protection during sexual arousal?
Bulbourethral glands
What is the primary function of the blood-testis barrier formed by sustentacular cells?
Isolate developing gametes from immune responses
Which of the following statements about the negative feedback system regulating testosterone levels is incorrect?
Decreased testosterone inhibits GnRH secretion
Learn about the role of sustentacular cells in the male reproductive system, including their functions in nourishing sperm, controlling sperm release, producing fluid, inhibin, and regulating hormones. Understand how these cells form the blood-testis barrier to protect developing gametes from immune responses.
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