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Nerves
Cranial and Spinal nerves
24
Anatomy
Undergraduate 2
04/11/2013

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Cards

Term
Which cranial nerve exits the cervical region?
Definition
Vagus
Term
Which nerve coming from the sacral plexus is the largest?
Definition
Sciatic
Term
What nerve feeds the diaphragm?
Definition
Phrenic
Term
Sympathetic pathways originate in what regions?
Definition
thoracolumbar regions of the spinal cord
Term
Parasympathetic pathways originate in what regions?
Definition
Brain and sacral region of the spinal cord
Term
In the rest and digest pathways, nerve fibers have what type of pre and post ganglionic neurons?
Definition
Long pre, short post
Term
In the fight or flight pathways, nerve fibers have what type of pre and post ganglionic neurons?
Definition
Short pre, long post
Term
Sympathetic and parasympathetic systems branch from what division?
Definition
Visceral motor division
Term
Which ramii branches off the spinal nerve to form plexus?
Definition
Ventral
Term
Which travels faster, myelenated or unmyelenated?
Definition
myelenated
Term
What myelenates the peripheral nervous system?
Definition
Schwann cells
Term
What myelenates the central nervous system?
Definition
Oligodendrocytes
Term
What is the most abundant glial cell that makes the framework of the CNS?
Definition
Astrocytes
Term
What is the most common type of polar neuron that contains many dendrites and one axon?
Definition
multipolar neuron
Term
What type of neuron goes from the skin to the spinal cord?
Definition
Unipolar neuron
Term
Vast number of cells for receiving signals?
Definition
Dendrites
Term
Motor neurons going away from the CNS are called?
Definition
Efferent
Term
Sensory neurons going toward the CNS are called?
Definition
Afferent
Term
Ganglionic chain is in which system?
Definition
Sympathetic nervous system
Term
Which system causes release of glucose?
Definition
Fight or flight
Term
Covering of whole nerves
Definition
Epineureum
Term
Covering of nerve fascicles
Definition
Perineureum
Term
Covering that separates individual nerve fibers
Definition
Endoneureum
Term
What type of glial cells remove foreign material?
Definition
astrocytes
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