S4. body fluid osmolality and volume Flashcards by Jessica Hogg | Brainscape

Q

where is renin synthesised and stored?

A

JGA in the kidneys

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Q

what causes the release of renin?

A

increased sympathetic innervation
wall tension in afferent arterioles falls (less stretch)
decreased Na+ to the macula densa > macula densa is stimulated to secrete prostaglandins

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