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NEET2004ZoologyExcretory Products and their EliminationActual

ADH controls water permeability of

Options

  1. Acollecting tube
  2. Bproximal convoluted tubules
  3. Cdistal convoluted tubules
  4. Dall of the above

Correct answer

C. distal convoluted tubules

Step-by-step solution

The vasopressin hormone, secreted by neurohypophysis of pituitary gland promotes the reabsorption of water from the distal convoluted tubules of nephrons, reducing excretion of water in urine (= diuresis). Hence, it is called antidiuretic Hormone (ADH). Its release in blood is controlled by an 'osmoregulatory centre" located in hypothalamus. Hyposecretion of ADH causes diabetes incipidus.

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