Vasoactive Peptides Flashcards
(39 cards)
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