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Nervous System
nerve notes
61
Anatomy
Professional
10/14/2011

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Term
There are _____ pair of cranial nerves.
Definition
12
Term
There are _____ pair of spinal nerves.
Definition
35
Term
There are _____ pair of cervical spinal nerves.
Definition
8
Term
There are _____ pair of thoracic spinal nerves.
Definition
13
Term
There are _____ pair of lumbar spinal nerves.
Definition
7
Term
There are _____ pair of sacral spinal nerves.
Definition
3
Term
Cervical nerves emerge _____ to the vertebrae with the same number.
Definition
cranial
Term
Thoracic, lumbar, and sacral nerves emerge _____ to the vertebrae with the same number.
Definition
caudal
Term
_____ pair of cranial nerves venture beyond the head.
Definition
2
Term
The vagus nerve is cranial nerve #_____.
Definition
10
Term
The accssory nerve is cranial nerve #_____.
Definition
11
Term
Gray matter contains predominately _____.
Definition
neuron cell bodies
Term
White matter contains predominately _____.
Definition
axons
Term
Afferent (sensory) nerves run from a receptor to the spinal cord following this path:
Definition
hypaxial muscle, ventral branch, spinal nerve, dorsal root, dorsal root ganglia, dorsal gray horn
Term
Efferent (motor) neurons run from the spinal cord to receptors following this path:
Definition
ventral gray horn, ventral root, spinal nerve, ventral branch, hypaxial muscle
Term
The two swellings in the spinal cord house an increased number of _____.
Definition
neuron cell bodies
Term
A plexus is _____.
Definition
a place where nerves come together to form "new" nerves
Term
The caudi equinum is _____.
Definition
the bundle of nerves that innervate the latter sacral vertebrae
Term
Suprascapular Nerve
Definition
innervates the supraspinatous & infraspinatous muscles
Term
Suprascapular Nerve
Definition
associated with flexion & extension of humeral joint
Term
Denervation of the suprascapular nerve results in _____.
Definition
decreased ability to flex/extend the humeral joint
Term
Shoulder Sweeny is a condition in which you can see the spine of the scapula due to surrounding muscle atrophy. This is caused by damaage to the _____ nerve.
Definition
suprascapular
Term
Subscapular Nerve
Definition
innervates subscapularis muscle
Term
Thoracodorsal Nerve
Definition
innervates latissimus dorsi muscle
Term
Musculocutaneous Nerve
Definition
innervates the biceps brachii m, brachialis m, and coracobrachialis m
Term
Musculocutaneous Nerve
Definition
associated with flexion of the cubital joint
Term
Median Nerve
Definition
innervates the caudomedial mm. of antebrachium
Term
Median Nerve
Definition
associated with flexion of the carpal & digital joints and pronation
Term
Ulnar Nerve
Definition
innervates the caudomedial muscles of the antebrachium
Term
Ulnar Nerve
Definition
associated with flexion of the carpal & digital joints and pronation
Term
Ulnar Nerve
Definition
"funny bone" nerve
Term
Axillary Nerve
Definition
innervates the teres major m, teres minor m, and deltoideus m
Term
Axillary Nerve
Definition
dives down between the subscapularis m. and teres major muscle into the lateral limb
Term
Axillary Nerve
Definition
runs alongside the subscapular artery
Term
Axillary Nerve
Definition
associated with flexion of the humeral joint
Term
Cranial Pectoral Nerve
Definition
innervates the superficial pectoral m
Term
Caudal Pectoral Nerve
Definition
innervates the deep pectoral m
Term
Radial Nerve
Definition
arises from ventral branches of C7, C8, T1, T2
Term
Radial Nerve
Definition
innervates the craniolateral muscles of AB & caudal mm of brachium
Term
Radial Nerve
Definition
dives down the long & medial heads of the triceps brachii m to the lateral limb
Term
Radial Nerve
Definition
runs alongside the deep brachial artery
Term
Radial Nerve
Definition
associated with extension of cubital & antebrachiocarpal joints
Term
Radial Nerve
Definition
allows a dog to stand (gives dog a "column" of support)
Term
High Radial Paralysis
Definition
results in passive flexion of the thoracic limb
Term
Low Radial Paralysis
Definition
results in a "step-flip" activity during walking to overcome flexion of the manus
Term
Cranial Lateral Cutaneous Brachial Nerve
Definition
arises from the axillary nerve
Term
Lateral Cutaneous Antebrachial nerve
Definition
arises from the radial nerve
Term
Medial Cutaneous Antebrachial Nerve
Definition
arises from the musculocutaneous nerve
Term
Caudal Cutaneous Antebrachial Nerve
Definition
arises from the ulnar nerve
Term
Dorsal Manus associated with the _____.
Definition
radial nerve
Term
The 5th digit (lateral) is associated with the _____.
Definition
ulnar nerve
Term
The palmar aspect of the manus is associated with the _____.
Definition
median nerve
Term
Efferent Nerves
Definition
carry information from the CNS
Term
Afferent Nerves
Definition
carry information to the CNS
Term
General Somatic Efferent
Definition
motor impulses to straited, voluntary skeletal muscle

found in some cranial nerves, all spinal nerves
Term
General Visceral Efferent
Definition
motor impulses to involuntary, cardiac & smooth muscle and glandular tissue

autonomic nervous system

found in some cranial nerves, all spinal nerves
Term
Special Visceral Efferent
Definition
motor impulses to skeletal muscle associated with visceral systems on the head

pharynx (digestive), larynx (respiration)

found in cranial nerves
Term
General Somatic Afferent
Definition
receptors near surface of body

touch, pressure, pain, temperature

found in all spinal nerves and cranial nerve 5
Term
Special Somatic Afferent
Definition
vision (CN 2), hearing (CN 8)
Term
General Visceral Afferent
Definition
found in walls of blood vessels & visceral organs

respond to stretch, blood pressure, chemical signs

found in some cranial nerves, all spinal nerves
Term
Special Visceral Afferent
Definition
smell & taste

found in cranial nerves
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