Neuroanatomy, Autonomic Nervous System Visceral Afferent Fibers and Pain
StatPearls(2021)
摘要
The autonomic nervous system (ANS) consists of general visceral efferent (GVE) fibers that create a motor response due to general visceral afferent (GVA) fiber stimulation. Although general visceral afferent fibers are part of the ANS, they are not classified as part of the sympathetic or parasympathetic system. However, these visceral sensory nerves often colocalize within sympathetic and parasympathetic nerves. GVA fibers carry sensory impulses from internal organs to the central nervous system (CNS). Stimuli that activate GVA fibers include hunger, blood pressure, organ distention, and visceral inflammation. These afferent fibers allow the body to monitor the internal environment and adjust effector organs as necessary to maintain homeostasis.
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关键词
neuroanatomy,pain
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