A : Diabetes insipidus is marked by excessive | vedclass

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(C) is correct: Diabetes insipidus is a condition characterized by the excretion of large amounts of dilute urine and extreme thirst (polydipsia) due

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Assertion is correct,but Reason is incorrect.

Vedclass · Answer

(C) is correct: Diabetes insipidus is a condition characterized by the excretion of large amounts of dilute urine and extreme thirst (polydipsia) due to a deficiency of $ADH$.$R$ is incorrect: $ADH$ (also known as vasopressin) is synthesized by the neurosecretory cells of the hypothalamus and is only stored and released by the posterior lobe of the pituitary gland. It is not synthesized by the posterior pituitary itself.Therefore,the correct option is $C$.

$A :$ Diabetes insipidus is marked by excessive urination and excessive thirst for water.
$R :$ Anti-diuretic hormone $(ADH)$ is synthesized by the posterior lobe of the pituitary gland.

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$A :$ Diabetes insipidus is marked by excessive urination and excessive thirst for water.$R :$ Anti-diuretic hormone $(ADH)$ is synthesized by the posterior lobe of the pituitary gland.