Osteoclast has specific receptor for :: (A) Parathyroid hormone., (B) Calcitionin., (C) Thyroxin., (D) Vit D3.
Answer is B. B i.e. CalcitoninCalcitonin exes its Ca2+ lowering effect by inhibiting bone resorption. This action is direct and calcitonin inhibits the activity of osteoclase 2. It also increases Ca2+ excretion in urine.HormonesBone cells on which theirreceptors are presentCalcitoninOsteoclastQParathyroidOsteoblastQVitamin DOsteoblastQCalcitonin exes its Ca2+ lowering effect by inhibiting bone resorption. This action is direct and calcitonin inhibits the activity of osteoclase 2. It also increases Ca2+ excretion in urine.