The hormone responsible for maintaining the pregnancy is
LH
FSH
Progesterone
Oestrogen
The hormone responsible for maintaining the pregnancy is
The head of mature mammalian sperm is made of |
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The gravid phase of uterus is |
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The first germ layer formed in the embryo is |
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Testis is |
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Surgical removal of uterus is |
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Sperms remain alive in female genital tract for days |
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Sperms produce an enzymatic substance for dissolving egg coverings. It is called |
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Spermiogenesis changes |
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Spermatozoa are nourished during their development by |
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Spermatogenesis without meiosis occurs in |
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