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Question:
What is the significance of juxta glomerular apparatus (JGA) in kidney function?
Answer:
The Juxta Glomerular Apparatus (JGA) regulates blood pressure and GFR. It’s a special structure formed by the DCT and afferent arteriole.
Key Roles
- Detects blood pressure or sodium level changes.
- Secretes renin when BP drops.
- Renin starts the RAAS system, increasing BP and maintaining GFR.
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