Question

The poison gland of snakes are modified

Answer 1

The glands that secrete the zootoxins are a modification of the parotid salivary gland found in other vertebrates, and are usually situated on each side of the head, below and behind the eye, and encapsulated in a muscular sheath.

Answer 2

The poison glands in snakes are the modified salivary glands.

Explanation:

• These glands are the modified parotid glands which open into the upper teeth of the snakes which are called as fangs.
• This secretion of the gland contains some enzymes which effect the organism’s metabolic processes.
• They may get attached to the neurons of the central Nervous system of the animal or gets attached with the blood cells, breaking them causing haemolysis.
• They can also be myotoxic, getting attached with the myoglobin of the muscles.

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