BIOL-N - Biology BIOL-N 212 Study Guide - Final Guide: Gray Ramus Communicans, Ramus Communicans, Anterior Ramus Of Spinal Nerve
15 Dec 2016
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Document Summary
Motor commands originate in the motor nuclei of anterior/lateral gray. Travel along the ventral root of each spinal nerve. Ventral root and dorsal root join to form the spinal nerve. Dorsal ramus carries commands to the skin and skeletal muscles of horns the back. Ventral ramus carries commands to the ventrolateral body surface, body wall, and limbs. White ramus commnicans carries commands to a nearby sympathetic ganglion (myelinated fibers, giving branch a light white color) Sympathetic nerve contains preganglionic and postganglionic fibers. Sensory information collected from peripheral structures and delivered to. Sympathetic nerve carries sensory info from the visceral organs. Ventral ramus carries sensory info from ventrolateral body surface, sensory nuclei in spinal cord body wall, and limbs. Dorsal ramus carries sensory info from skin and skeletal muscles of the back. Dorsal root of each spinal nerve carries sensory info to the spinal: nerve plexuses cord. Complex, interwoven network of nerves, formed during development.
