Which one is involved in nourishing spermatozoans?
Leydig cells
Gubernaculum
Sertoli cells
Interstitial cells
Which one is involved in nourishing spermatozoans?
In humans at the end of first meiotic dividion, the male germ cells differentiate into |
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In human beings the type of cleavage is |
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In development, nervous system (brain, spinal cord, nerve cells) is |
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In a mammalian sperm, spirally arranged mitochondria around an axial filament occurs in |
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Important sperm lysine used for dissolving egg covering is |
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Implantation occurs after |
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If mammalian ovum fails to get fertilized, which one of the following is unlikely? |
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Identical twins in human beings is an example of |
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Hyaluronidase is present in |
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Human gametes differ from all other body cells as |
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