Page 228 - Color_Atlas_of_Physiology_5th_Ed._-_A._Despopoulos_2003

C. Central regulation of blood flow

1 Cerebral cortex
Limbic Hypothalamus Tempe-
system rature

Respiratory
“center” Regulation of the Circulation II
Pressor area
Circulatory “center”
in midbrain and
medulla oblongata Parasympathetic
nerve
Depressor area
Vagal nuclei
IXth
cranial nerve Plate 8.15

Sympathetic Vagus
nervous system nerve (X)
Inhibition
Sympathetic trunk

2
Spinal marrow
Inhibits
cardiac action Carotid
sinus
S P
Aortic pressure Increases
cardiac action Common
S P AP carotid
artery
Aorta
Ventricular Veins
pressure S P
S V AP
Vasoconstriction
(α 1 adrenoceptors)
Venous pulse S A
AV node
S A Arterioles S B
AP SA node
S B Heart
2 Afferent action potentials (AP) (After Paintal) S V 215
from circulatory sensors
Despopoulos, Color Atlas of Physiology © 2003 Thieme
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