The fluid which is rich in calcium citrate, fibrinolysin, acid phosphatase and contributes about 30% of the total volume of semen is released by
A
Cowper's glands
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B
Prostate gland
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C
Seminal vesicles
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D
Epididymis
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Solution
The correct option is B Prostate gland The prostate gland lies in the pelvic cavity in front of the rectum and behind the symphysis pubis, surrounding the first part of the urethra. The prostate gland secretes a milky fluid that makes up about 30% of semen with the milky appearance. It is slightly alkaline, which provides a protective local environment for sperm arriving in the acidic vagina. It also contains a clotting enzyme, which thickens the semen in the vagina, increasing the likelihood of semen being retained in the vicinity of the cervix. Secretions of this gland, along with secretions of seminal vesicles, also make the seminal plasma rich in fructose, calcium and certain other enzymes too.