Vasoactive Peptides Flashcards
transmitters in the autonomic and central nervous systems
Vasoactive peptides
angiotensin II, VD or VC?
Vasoconstrictor
vasopressin, VD or VC
Vasoconstrictor
endothelins VD, or VC?
Vasoconstrictor
neuropeptide Y VD, or VC
Vasoconstrictor
urotensin VD or VC
Vasoconstrictor
(bradykinin and related kinins VD or VC
Vasodilator
natriuretic peptides,
Vasodilator
vasoactive intestinal peptide
Vasodilator
substance P
Vasodilator
neurotensin
Vasodilator
calcitonin
gene-related peptide
Vasodilator
adrenomedullin
Vasodilator
Inactive form of angiotensin 1
angiotensinogen
Modulators of renin release aside from synthesis of renin
- Macula densa
- Renal baroreceptor
- Sympathetic NS
- Angiotensin
- Intracellular signaling pathways
- Pharmacologic alteration of renin release
A specialized region of distal convoluted tubule
Macula Densa
where renin is released/regulated
Macula densa
Relationship between NACL deliver/concentration and renin release
Inversely proportional
Prostaglandin E2 and Nitric Oxide
Stimulate renin release
Adenosine
Renin release inhibitor
If NACL is low, filtrate flow or urine output is?
reduces; low
Renal vascular baroreceptor relationship with renal artery pressure and renin release
Inverse relationship
Low BP and renin release relationship
Inverse