Pressor area
1a
Neuronal
Sympathetic
tonus t
Vessel stretch
Myogenic reaction
2a local
Port
Endothelin-1 1 (ETA)
PGF2a,
thromboxane
Constriction
ADH (V1),
epinephrine (a1), angiotensin lI
За
Hormonal
1b
Neuronal
Sympathetic tonus
Dilation
Parasympathetic system (salivary glands, genitalia)
Poz
Adenosine, Pco,4
H*, K* etc.
NOT
PGE2, PGI21
2b local
EDHF.
Bradykinin, 4 kallidin
Epinephrine (B2)
3b
Hormonal
Acetylcholine (M),
АТР,
#histamine (H1), endothelin-1 (ETB)