Which of the labels in the figure indicate the source of ant
Which of the labels in the figure indicate the source of antidiuretic hormone? The hypothalamic nuclei labeled A The hypothalamic nuclei labeled B The hypothalamic nuclei labeled C The hypothalamic nuclei labeled D
Solution
Answer : The correct answer is C (The hypothalamic nucleus labeled C)
Explanation : Vasopressin or antidiuretic hormone (ADH) stored and secreted by posterior pituitary/ neurohypophysis. It increases water reabsorption in the kidney and also promotes the constriction of blood vessels, thereby increasing blood pressure. Vasopressin deficiency leads to a condition called diabetes insipidus, charectorised by decreased blood sodium concentration), Excess urine production (polyuria), and excessive thirst (polydipsia).
