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प्रश्न
Define Spermatogenesis.
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उत्तर
Spermatogenesis is the process of formation and development of sperm cells (spermatozoa) in the testes from spermatogonial stem cells through mitosis and meiosis.
APPEARS IN
संबंधित प्रश्न
Write the location and functions of the following in human testes :
Leydig cells
Write two major functions of testis.
Identify True/False statement. Correct false statement to make it true.
Spermatozoa get nutrition from Sertoli cells.
Define Reproductive health
Which one of the following is the correct route that a sperm follows when it leaves the testis of a mammal ?
Name the following :
The body part in which the testes are present in a human male.
Write in sequence, the regions which a mature sperm travels from the seminiferous tubules up to the urethral opening in the human male.
Describe the functions of the following:
Prostate gland
Differentiate between the following pair:
Hymen and clitoris
Given below is a diagram of the lateral section of the testis of a man. Study the same and answer the questions that follow:
(i) Label the parts numbered 1 to 4 of the diagram.
(ii) State the functions of the parts labeled 1 and 3.
(iii)What is the significance of the testes being located in the scrotal sac outside the abdomen?
(vi)What is the role played by the inguinal canal?
(v) What is semen?
Explain the term Gametogenesis.
In humans, sperm production occurs in the organ ______.
Identify the INCORRECTLY labelled structure in the given diagram of the male reproductive system.
How many spermatozoa will be produced from 10 million spermatids?
Which one of the following is not a male accessory gland?
Temperature of the scrotum which is necessary for the functioning of testis is always ______ around below body temperature.
Crypts of Lieberkuhn are absent in ______.
Cell at the end of first meiotic division male sperm differentiates into ______.
Answer the following question based on the human male reproductive system:
By which type of cell division, sperms are formed?
State very briefly the chief function of the following:
Seminal vesicles
