Question:
ADH controls water permeability of
ADH controls water permeability of
Updated On: Jun 7, 2022
- collecting tube
- proximal convoluted tubules
- distal convoluted tubules
- all of the above
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The Correct Option is C
Solution and Explanation
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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Concepts Used:
Mechanism Human Excretory System
Excretory System Organs
Kidneys- Kidneys are bean-shaped structures located on either side of the backbone. In human each adult kidney size is 10-12 cm with a width of 5-7 cm and weighs around 120-170g and it have an inner concave structure.
Ureter - A pair of thin muscular tubes called the ureter. Ureter comes out of each kidney extending from the renal pelvis and it carries urine from the kidney to the urinary bladder.
Urinary Bladder - muscular sac-like structure which stores urine. The urinary bladder is emptied by the process of micturition.
Urethra- This tube comes out from the urinary bladder and helps to expel urine out of the body. It acts as the common route for sperms and urine in males.