Precapillary sphincters are controlled by local metabolites and the sympathetic nervous system, but not epinephrine.

Name: Precapillary sphincters are controlled by local metabolites and the sympathetic nervous system, but not epinephrine.
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Question

Quizplus · Accepted Answer

Precapillary sphincters are indeed controlled by local metabolites and the sympathetic nervous system, but they are also influenced by epinephrine, which can cause them to constrict or dilate, depending on the receptors present.

Precapillary Sphincters Are Controlled by Local Metabolites and the Sympathetic