What is the main function of the pampiniform plexus in the male reproductive system?
Correct answer: C. Cooling of arterial blood to the testis
- A. Storage of mature spermatozoa
- B. Secretion of testosterone into semen
- C. Cooling of arterial blood to the testis
- D. Transport of sperm through the urethra
Explanation
The pampiniform plexus forms a countercurrent heat exchange system that cools arterial blood entering the testis. Proper testicular temperature is essential for normal spermatogenesis, whereas sperm storage mainly occurs in the epididymis.
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About Theriogenology and Animal Reproduction
Covers the reproductive anatomy and physiology of male and female domestic animals, including puberty, oestrous cycles, ovulation, fertilisation, pregnancy, parturition and lactation. It also includes artificial insemination, semen evaluation, pregnancy diagnosis, infertility, dystocia and reproductive disorders, with attention to species differences.
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