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40 Cards in this Set
- Front
- Back
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Lateral rectus palsy
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abducens nerve lesion
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Tongue deviates to ipsilateral side when protruded
Fasciculations on surface of tongue Rapid atrophy |
Hypoglossal nerve lesion
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Ipsilateral eye will not look down. Patients complain of difficulties going down stairs.
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Trochlear nerve lesion
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PTOSIS
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Third nerve palsey. drooping eyelid due to disruption of GSE to levator palpebrae superioris
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EYE SLIGHTLY DEPRESSED
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THIRD NERVE PALSY
EYE SLIGHTLY DEPRESSED due to unopposed activity of superior oblique |
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characterized by a sudden, severe, electric shock-like or stabbing pain typically felt on one side of the jaw or cheek. The attacks of pain, which generally last several seconds and may be repeated one after the other, may be triggered by talking, brushing teeth, touching the face, chewing, or swallowing. The attacks may come and go throughout the day
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TRIGEMINAL NEURALGIA
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Ipsilateral anesthesia of face,
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UNILATERAL LESION OF TRIGEMINAL NERVE
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loss of corneal reflex,
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UNILATERAL LESION OF TRIGEMINAL NERVE
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impaired chewing
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UNILATERAL LESION OF TRIGEMINAL NERVE
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Eyelid retracted
Nasolabial fold flattened Corner of mouth pulled to affected side (drooling, can’t purse lips or whistle) Lack of facial tone in lower face and forehead Hyperacusis, loss of taste ant. 2/3 tongue Carbuncle in ear |
Herpes zoster – virus of facial nerve
Ramsey-Hunt Palsy |
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Lack of lacrimation on affected side
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Facial Nerve lesion
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Gasserian, semilunar) ganglion
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trigeminal
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innervates orbicularis oculi (closes eye)
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CN 7 (Facial nerve)
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CORNEAL REFLEX IS MEDIATED
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BY Vth and VIIth NERVES
Primary afferents (C fibers) – cell bodies in trigeminal (Gasserian, semilunar) ganglion. Spinal trigeminal nucleus (rostral part) Facial nucleus innervates orbicularis oculi (closes eye) |
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UNILATERAL GLOSSOPHARYNGEAL NERVE LESION
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Carotid sinus & gag reflexes lost Taste impaired post 1/3 Ipsilateral tongue
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UNILATERAL LESION OF VAGUS AND CRANIAL DIVISION OF ACCESSORY NERVE
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TACHYCARDIA – heart rate transiently increases
DYSPHONIA – hoarse voice lacking volume “whisper” DYSPHAGIA – impaired swallowing UVULA – deviates to normal side when vocalizing |
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levels of Clarke’s column (nucleus dorsalis)
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C8 - L2
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Cervical Enlargement
level |
C5 – T1
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Post. Intermediate septum level
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C1 - T6
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Spinal Div. Accessory n. innervates sternomastoid & trapezius (upper part)
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C1 - C6 LMNs
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Phrenic n. innervates diaphragm
level |
C3 - C5
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only gracile f., no cuneate f.
level |
Below T6
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Lumbar (lumbosacral) enlargement level
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L1 – S4
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no dorsal root
level |
Coccygeal (and C1
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Preganglionic Parasympathetics
level |
S 2 – S4
and CN III, VII, IX, X |
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Synapses in the dorsal nucleus of Clarke
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Dorsal Spinocerebellar Tract
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move eyes
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CN III, IV, VI
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constricts pupils
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CN III
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eye accomadation
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CN III
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chews and feels front of head
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CN V
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moves the face
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Facial nerve VII
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cries
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Facial nerve VII
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salivates
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Facial nerve VII
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tastes
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Facial nerve VII, IX, X (solitary tract obviously)
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hears, regulates balance
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vestibular & coclear (VIII)
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Moves the face, tastes, salivates, cries
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CN VII (facial)
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tastes, swallows, lifts palate, talks, communicates, to and from thoraco abdominal viscera
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CN 10
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moves tongue
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hypoglossal CN 12
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Superior salvitory nucleus
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GVE!!! (not afferent motor) of FACIAL NERVE
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facial CN VII ganglion
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geniculate ganglion and submandibular ganglion
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