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what are the two main branches of the nervous system
central nervous and peripheral nervous system
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two branches of the central nervous system
brain and spinal cord
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two branches of the peripheral nervous system
- motor efferent neurons
- sensory afferent neurons
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what are the two categories of the efferent nuerons
automatic and somatic
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two categories of the automatic nervous system
sympathetic and parasympathetic
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hole: cribiform plate
function: smell
cranial nerve I olfactory nerve
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cranial nerve I (olfactory nerve)
- hole: cribiform plate
- function:smell
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hole: optic foramen
function: vision
cranial nerve II (optic nerve)
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Cranial nerve II (optic nerve)
- hole: optic foramen
- function: vision
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hole: superior orbital fissure
function: side to side and up and down eye movement
optic nerve III (oculomtor nerve)
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Optic nerve III (Oculomotor)
- hole: superior orbital fissure
- function: side to side and up and down eye movement
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hole: superior orbital fissure
function: rotational eye movement
Cranial nerve IV ( trochlear nerve)
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Cranial nerve IV ( trochlear nerve)
- hole: superior orbital fissure
- function: rotational eye movement
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largest of the nerves, has three branches, automatic and motor
cranial nerve V (trigeminal nerve)
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cranial nerve V (trigeminal)
largest of the nerves, automatic and motor, has three branches...opthalmic, maxillary, mandibular.
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hole: superior orbital fissure
function: sensory for the eye ball and forehead
opthalmic branch of cranial nerve V (trigeminal nerve)
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opthalmic branch of cranial nerve V (trigeminal nerve)
- hole: superior orbital fissure
- function: sensory for the eye and forehead
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hole: foramen rotundum
function: sensory for upper teeth and gums
maxillary branch of cranial nerve V (trigeminal nerve)
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maxillary branch of cranial nerve V (trigeminal nerve)
- hole: foramen rotundum
- function: sensory for the upper teeth and gums
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hole: foramen ovale, mental foramen, mandibular foramen
function: sensory for lower teeth and gums
inervates: masseter and the buccinator
mandibular branch of cranial nerve V (trigeminal nerve)
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mandibular branch of cranial nerve V (trigeminal nerve)
- hole: foramen ovale, mental foramen, mandibular foramen.
- function: sensory for the lower teeth and gums
- inervates: the masseter and the buccinator
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hole: superior orbital fissure
function: ABducts the eye
Cranial nerve VI (ABducens nerve)
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Cranial nerve VI (ABducens nerve)
- hole: superior orbital fissure
- functions: Abduct the eye
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hole: internal acoustic meatis out the stylomastoid foramen
function: taste and facial expression
•Cranial Nerve VII (Facial Nerve)
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•Cranial Nerve VII (Facial Nerve)
- hole: internal acoustic meatis and out the stylomastoid foramen
- function: taste and facial expression
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•Cranial Nerve VIII (Vestibulocochlear)
- hole: internal acoustic meatis
- function: hearing/ balance
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Cranial Nerve IX (Glossopharyngeal)
- hole: jugular foramen
- function: taste, tongue movement, swallowing
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hole: jugular foramen
function: taste, tongue movement, swallowing
Cranial Nerve IX (Glossopharyngeal)
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what nerve inervates the levator scapulae
dorsal scapular (DS)
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what muscle does the dorsal scapular nerve inervate
levator scapulae
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what is the orgin of the levator scapulae
transverse process of cervical vertibrae
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what is the insertion of the levator scapulae
the medial border of the scapula
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what muscle does the suprascapular (SS) inervate
infraspinatus/ supraspinatus
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orgin of the infraspinatus/supraspinatus
infraspinous fossa/supraspinous fossa
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what is the insertion of the infraspinatus/supraspinatus
greater tubricle
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what nerve inervates the infraspinatus/supraspinatuss
suprascapular (SS)
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what muscle does the lateral pectoral (LP) inervate
pectoralis major &minor
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what nerve inervates the pectoralis major & minor
the lateral pectoral (LP)
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what is the orgin of the pectoralis minor
upper ribs
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what is the insertion of the pectoralis minor
corocoid process
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what does the musculocutaneous (MC) nerve inervate
anterior brachium (biceps)
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what nerve inervates the anterior brachium (biceps)
musculocutaneous (MC)
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what is the orgin of the anterior brachium (biceps)
corocoid process and top of the glenoid cavity
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what is the insertion of the anterior brachium (biceps)
radial tuberosity
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what muscle does the median (M) nerve inervate
anterior antibrachium (hand)
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what nerve inervates the antibrachium (hand)
Median (M)
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what muscle does the ulnar (U) nerve inervate
anterior antebrachium/hand
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what muscle does the medial pectoral (MP) inervate
the pectoralis major and minor
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what muscle does the long thoracic (LT) nerve inervate
serratus anterior
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what nerve does the serratus anterior muscle inervate
the long thoracic (LT)
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what muscle does the uppersubscapular (US) nerve inervate
subscapularis and the teres major
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what nerve inervates the subscapularis and the teres major
the uppersubscapularis (US)
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what is the orgin of the subscapularis
subscapular fossa
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what is the insertion of the subscapularis
the lesser tubricle
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what muscle does the thoracodorsal (T) nerve inervate
latisimus dorsi
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what nerve inervates the latissimus dorsi
thoracodorsal (T)
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what muscle does the lower subscapular (LS) inervate
teres major
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what nerve inervates the teres major
the lower subscapular (LS)
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what is the orgin of teres major
lateral edge of the scapula
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what is the insertion of the teres major
intertubecular groove
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what muscle does the radial (R) nerve inervate
posterior brachium and posterior antebrachium
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what nerve inervates the posterior brachium and the posterior antebrachium
the radial (R) nerve
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what muscle does the axillary (A) nerve inervate
deltoid and teres minor
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what nerve inervates the deltoid and teres minor
the axillary (A) nerve
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what is the orgin of the deltoid
spine of scapula, acromian, clavical
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what is the insertion of the deltoid
the deltoid tuberosity
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what is the orgin of the teres minor
lateral border of the scapula
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what is the insertion of the teres minor
greater tubricle
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what is the action of the levator scapulae
raises shoulders
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what is the action of the infraspinatus
ADduction
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what is the action of the supraspinatus
ABduction
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what is the action of the pectoralis minor
raises ribs
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what is the action of the anterior brachium (biceps)
flexes elbow
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what is the action of the supraspinatus
medial rotation
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what is the action of the deltoid
ABduction
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what is the action of the teres minor
ADduction
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cranial nerve x (vagal nerve)
- hole: jugular foramen
- function: heart and GI
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hole: jugular foramen
function: heart and GI
cranial nerve X (vagal nerve)
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cranial nerve XI (spinal accessory)
- hole: jugular foramen
- function: sternocleidomastoid and trapezius
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hole: jugular foramen
function: sternocleidomastoid and trapezius
cranial nerve XI (spinal accessory)
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cranial nerve XII (hypoglossal)
- hole: hypoglossal canal
- function: tongue movement, swallowing
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hole: hypoglossal canal
function: tongue movement, swallowing
cranial nerve XII ( hypoglossal)
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