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Question

Harderian glands are absent in

A
Rabbits.
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B
Men.
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C
Crows.
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D
None of the above.
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Solution

The correct option is B Men.
The Harderian gland is a gland found in the eye's orbit that occurs in tetrapods (reptiles, amphibians, birds, and mammals) that possess a nictitating membrane. The proposed functions of the gland are remarkably diverse and include the gland being - a source of saliva; a site of immune response; a photoprotective organ; part of a retinal-pineal axis; a source of pheromones; a source of thermoregulatory lipids; a site of osmoregulation, and a source of growth factors. The Harderian gland is either absent or vestigial in primates. Thus, the correct answer is option B.

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