Question

  Place the glands that produce semen in their correct order with the % of semen that the produce

  

Answer 1

Answer:

Semen is an alkaline fluid which is produced by the different accessory male reproductive glands like a pair of seminal vesicles, a prostate gland and a pair of cowper’s/Bulbourethral glands.

Significance of semen: Semen is of prime importance due to the following reasons;

a) It has an alkaline pH which protects the sperms form the hyperacidity of the female genital tract

b) It provides a fluid medium for the sperms to swim and move within the female reproductive tract

c) It also contains fructose; which is a source of energy for the sperms after they are released within the female reproductive system

d) It contains a chemical named prostaglandins which stimulates the vigorous uterine contractions within the female’s body so as to facilitate and assist in sperm movements towards the fallopian tubes for fertilization to occur

Though these three glands are involved in the semen secretion and contribution, their contributions vary.

A pair of seminal vesicles is known to contribute the maximum of the total semen production. They contribute nearly 60% of the total semen. They in turn are followed by the single prostate gland. It is known to contribute nearly 30% of the total semen. Besides this the prostate gland is known to have release an acidic component being the citric acid. The minimal amount of the semen remains contributed by a pair of cowper’s/bulbourethral glands. They contribute very less amount of the semen to be released.

The total amount of the semen which gets ejaculated by a human male is nearly 2-5 ml and within them almost 200 million spermatozoa are suspended amongst which only one gets fertilized.