Human Endocrine System

Parathormone or Collip's hormone is secreted from parathyroid gland. This hormone regulates the calcium and phosphate balance between the blood and other tissues.

The intermediate lobe (pars inter medium) of the pituitary gland secretes MSH which causes dispersal of pigment granules in the pigment cells (melanocytes) which give colour to the skin. In the frogs and tadpoles, MSH is responsible for the generalized blackening of the skin.