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Renin is released by (a) Cortical nephro...

Renin is released by
(a) Cortical nephron
(b) Collecting duct
(c) Juxtaglomerular apparatus
(d) Pelvis

A

Cortical nephron

B

Collecting duct

C

Juxtaglomerular apparatus

D

Pelvis

Text Solution

AI Generated Solution

The correct Answer is:
To solve the question "Renin is released by," we need to analyze each of the given options to determine which one is correct. ### Step-by-Step Solution: 1. **Understanding Renin**: Renin is an important enzyme/hormone produced by the kidneys. It plays a crucial role in regulating blood pressure and fluid balance in the body. 2. **Evaluating Option A - Cortical Nephron**: - The cortical nephron is a type of nephron located in the outer part of the kidney. While it is involved in filtration and reabsorption, it is not specifically responsible for the production of renin. 3. **Evaluating Option B - Collecting Duct**: - The collecting duct is part of the nephron where urine is concentrated and where water and electrolytes are reabsorbed. However, it does not produce renin. 4. **Evaluating Option C - Juxtaglomerular Apparatus**: - The juxtaglomerular apparatus (JGA) is a specialized structure in the kidney that regulates blood pressure and the filtration rate of the glomerulus. It contains cells that produce renin in response to low blood pressure or low sodium levels. 5. **Evaluating Option D - Pelvis**: - The renal pelvis is the area where urine collects before it moves to the ureter. It does not have a role in the production of renin. 6. **Conclusion**: After evaluating all the options, we find that the juxtaglomerular apparatus (Option C) is the correct answer as it is the structure responsible for the release of renin. ### Final Answer: Renin is released by (c) Juxtaglomerular apparatus. ---
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