Chemical Coordination and IntegrationMedium
Question
MSH of pars intermedia of middle pituitary is responsible for
Options
A.darkening of skin in lower vertebrates
B.light colouration of skin in lower vertebrates
C.Both (a) and (b)
D.darkeming of skin in human beings
Solution
MSH controls the synthesis and dispersal of melanin grnules in the chromatophores in the skin of fishes, amphibians and some reptiles (poikilothermal animals) so, it causes darkening of skin. It is non-functional in man.
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