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Structural Organisation in Animals question

2004 · Q53
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Structural Organisation in Animals question

2004 · Q53

NEETBiologyStructural Organisation in AnimalsMCQ+4 / −1
Mast cells of connective tissue contain -
  1. A
    Heparin and calcitonin
  2. B
    Heparin and histamine
  3. C
    Vasopressin and relaxin
  4. D
    Serotonin and melanin
View written solutionFree

Correct answer: B

Mast cells are granulated leucocyte cells. Their granules contain histamine which is a vasodilator and heparin (an anticoagulant). These take part in body defence and allergic reaction. Vasopressin is released by posterior lobe of pituitary. Relaxin is released by placenta. Calcitonin is released by thyroid. Serotonin and melanin are released by intermediate lobe of pituitary gland.

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