This is a preview. Log in through your library . Abstract During the reproductive cycle, the females of avian species metabolize large amounts of calcium, deposit large amounts of apatite in ...

Daily administration of salmon calcitonin to adult male Rana cyanophlyctis induced hypocalcaemia and rendered the ultimobranchial body inactive. After seven days, hypocalcaemia decreased as activity ...

From the point of view of control mechanics, remodeling exhibits two control loops with negative feedback characteristics: parathyroid-calcitonin-mediated resorption, serving calcium homeostasis; and ...

CONTROL of the calcium-level in blood is the primary function of the parathyroids. McLean 1 has suggested that this is accomplished through a ‘feedback’ mechanism, by which a low level of calcium in ...

Background A 54-year-old man presented to the emergency department of his local hospital with a 1-year history of fatigue, weight loss, and constipation. He had abused alcohol for many years, and his ...