What is hyaluronidase? What is its effect on ovum?
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Hyaluronidase is an enzyme secreted by the acrosome of the sperm. It dissolves the zona pellucida — the wall of ovum and penetrates the egg.
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What is the significance of double circulation in human beings?
State two functions of pituitary gland.
Draw a well-labelled diagram of a neuron.
Mention the exact location of palisade cell.