Unformatted text preview: KIN 205: Chapter 11, Peripheral nervous system:
Control of arteriolar diameter. (see Table 15-2)
Type Mechanism Response Myogenic activity ↑ Stretch of wall due to ↑ pressure Vasoconstrict Paracrines from metabolism ↓ O2, ↑ CO2, ↑ H+, ↑ K+ Vasodilate Parcrine signal molecules Nitric oxide, histamine, adenosine
Vasoconstrict ↑ Sympathetic (NE on α receptor) Vasoconstrict Reflex control
Nervous Nervous system reflex control: Sympathetic division is
responsible. Tonic sympathetic discharge (Fig. 15-12a)
and increases in sympathetic firing rate (Fig. 15-12b). ...
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This note was uploaded on 12/26/2011 for the course KIN 205 taught by Professor Blaber during the Fall '09 term at Simon Fraser.
- Fall '09