A) Thyroid - Hyperactivity in young children causes cretinism
B) Thymus - Starts undergoing atrophy after puberty
C) Parathyoid - Secretes parathormone which promotes movement of calcium ions from blood into bones during calcification
D) Pancreas - Delta cells of the Islets of Langerhans secrete a hormone which stimulates glycolysis in liver
Correct Answer: B
Solution :
Cretinism: It is the result of hypo secretion of thyroxine from thyroid gland during childhood. Thymus: Thymus is an endocrine gland which is active in young ones but gradually becomes inconspicuous after sexual maturity. Like other lymphoid tissues, thymus undergoes atrophyl in response to adrenoglucocorticoids. Parathyroid: Parathormone secreted from parathyroid glands, promotes absorption of calcium from food in the intestine and its reabsorption from nephrons in the kidneys. Delta cells of pancreas: Delta cells may secrete small amount of gastrin and somatostatin. Which affects gastric juice secretion and inhibition of glucagon and insulin respectively.
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