alleryThe juxtaglomerular apparatus (JGA) is formed by cellular modifications of the
AAfferent arteriole and DCT contact
BEfferent arteriole and PCT contact
CBowman's capsule and PCT contact
DCollecting duct and ascending limb
Answer & Solution
Correct answer: A. Afferent arteriole and DCT contact
JGA is at the contact zone between the AFFERENT arteriole (JG cells) and the DCT (macula densa cells).
When GFR falls, JG cells release renin, raising blood pressure via the angiotensin-aldosterone axis.
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