Chemical Coordination and Regulation Question 45

45. Melanocyte stimulating hormone (MSH) is produced by

[2000]

(a) parathyroid

(b) pars intermedia of pituitary

(c) anterior pituitary

(d) posterior pituitary

Show Answer

Answer : b

Hints & Solutions

(b) Parathyroid gland secretes parathormone which regulates $Ca^{2+}$ level in blood. Anterior lobe of pituitary secretes the following hormones growth hormone, ACTH, TSH, FSH, LH. Posterior pituitary secretes vasopressin and oxytocin. The intermediate lobe (pars intermedia) of the pitutary gland secretes MSH which causes dispersal of pigment granules in the pigment cells which give colour to the skin.