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BIOL 223 Chapter 13-2
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A sympathetic nerve carries information from the:
visceral organs
Information from a sympathetic nerve will travel through the _______ root to the _______ nuclei.
dorsal, sensory
What structures are innervated by the axons that travel through the dorsal ramus?
the skin and skeletal muscles of the back
What structures are innervated by the axons that travel through the ventral ramus?
ventrolateral body surface
structures in the body wall
the limbs
Sensory information from the front and side of the torso travel to the sensory nuclei via the:
ventral ramus
Information collected by interoceptors, proprioceptors, and exteroceptors in/on the back of the body travel to the somatic sensory nuclei via the:
dorsal ramus
Will the white ramus contain myelinated or unmyelinated axons?
myelinated axons
True or False: The gray ramus will contain unmyelinated axons.
True
False
True
What structures are innervated by the motor axons that travel through the white ramus?
visceral organs
What structures are innervated by the motor axons that travel through the gray ramus?
glands and smooth muscle in the body wall
What structures are innervated by preganglionic fibers?
abdominopelvic viscera
What structures are innervated by postganglionic fibers?
smooth muscles, glands, and thoracic viscera
The sympathetic nerve provides innervation to the structures of the:
thoracic cavity
The white ramus is to _______ fibers as the _____ ramus is to postganglionic fibers.
preganglionic, gray
Which ramus of the spinal nerve contains preganglionic neurons and carries visceral motor fibers?
white ramus
What structure is surrounded by the epineurium?
the entire spinal nerve
What structure is surrounded by the perineurium?
the neural fascicle
What structure is surrounded by the endoneurium?
an individual axon
Where is the myelin sheath located in relationship to the endoneurium?
it is inside (deep to) it
When a preganglionic neuron combines with a postganlionic neuron you get a:
sympathetic neuron
Author
christophertkennedy
ID
118321
Card Set
BIOL 223 Chapter 13-2
Description
Study Cards for Chapter 13 BIOL 223 CSN
Updated
2011-11-21T17:36:14Z
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