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प्रश्न
With the help of a neat, labelled diagram describe the human male reproductive system.
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उत्तर
Human male reproductive system:-
The human male reproductive system comprises of the following.
- testes
- epididymis
- vas deferens
- Seminal vesicles
- prostate gland
- Cowper's glands
- penis
1. Testes
Testes produce male gametes and sperm.
To maintain the temperature 2-3°C lower than the body temperature, the scrotum is located outside the body cavity.
2. epididymis
The epididymis stores sperms temporarily.
3. vas deferens
Each epididymis continues further as a sperm duct or vas deferens.
4. Seminal vesicles
The seminal vesicles produce a secretion which is responsible for the transport of sperm.
5. Prostate gland
It is a bilobed structure which surrounds the urethra.
It pours an alkaline secretion into the semen.
6. Cowper’s glands
These are two small ovoid glands.
They open into the urethra.
Its secretion serves as a lubricant.
7. Penis
The urethra passes through the penis.
It carries either urine or semen at a given time.
संबंधित प्रश्न
____________ contribute about 60% of the total volume of the semen.
Pituitary dwarfism is treated with gene therapy by____
(A) Human insulin
(B) Tissue growth factor - Beta
(C) Tissue plasmogen activator
(D) Human growth hormone producer gene
What is the full form of IVF?
Differentiate between Rod cells and cone cells (pigment)
Draw a labelled diagram of L.S. of human testis.
Describe the male reproductive systems in humans.
Describe the functions of the following:
Testis
Differentiate between spermatogenesis and spermiogenesis.
Explain the term Androgens.
Explain the term Vasectomy.
Why are the human testes located outside the abdominal cavity? Name the pouch in which they are present.
The increased level of estrogen and progesterone is responsible for menstruation.
In the given diagram represents the
Identify the accessory sex gland consisting of 20-30 separate lobes and secreting about 30% of semen.
The ejaculatory ducts open into the ______.
lf vasectomized man attempts to rape, then the presence of which of the following confirms it?
Select the MISMATCHED pair.
Urethral meatus refers to the ______.
Ejaculation of human male contains about 200 - 300 million sperms, of which for normal fertility ______% sperms must have normal shape and size and at least ______% must show energetic motility.
Vas deferens receives the duct of seminal vesicle and forms the ______.
Prostate glands are located below ______.
In human males, the testes lie in the scrotum, because it helps in the ______
Why do only male gametes have a tail?
How do sperms develop?
Explain the function of the following structure in the human male reproductive system.
Leydig cells
State very briefly the chief function of the following:
Prostate gland
The thin-walled sac of skin in which testis descends is ______.
