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AP I Exam 4

Chapter 14

spinal nerves that divide into several branches after passing through the intervertebral foramen are called what? rami
Muscles and skin that are part of the posterior trunk of the body is classified as what? --- sensory posterior ramus
Where does the anterior ramus extend its spinal nerves to? ~muscles and structures of the upper and lower limbs ~skin of the lateral and anterior trunk --- major parts of the body
What type of branch reenter the cerebral canal through the intervertebral foramen and supplies to the vertebrae, spinal cord, and meninges? meningeal branch
When the body want to send spinal nerves from the anterior rami to body structures, what network of axon is used? plexus
What are plexus? ~when the anterior rami want to send spinal nerves to the structure of the body, a formation of networks on both left and right sides of the body join with various number of axons from anterior rami adjacent nerves ~network/cluster of neurons
What happens if you damage a plexus? ~may cause damage to spill segment, but the nerve could go back with the help of Schwann cells ~not as strong but still have control
intercostal nerves directly innervate the structures they supply
What will be effected by intercostal nerves intercostal muscles between ribs, muscles and skin of the thorax and abdominal wall
Reflexes are what? fast, involuntary, autonomic sequences of actions that occur in response to a particular stimulus
What is the process a reflex makes? receptor-sensory neuron-posterior root&ganglion-interneurons of gray matter CNS-anterior horn-anterior root-motor neuron- effector
Contraction of skeletal muscle is what kind of reflex? somatic reflex
What places are effected if a automatic reflex is hit? smooth muscle or cardiac muscle and glands
Created by: jshockley



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