Anatomy 2

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What is Bell's Palsy?
Sudden loss of movement. no history of injury
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Where are the muscle of facial expression found?
In superficial fascia
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Which are the depressors of the lip?
1. Depressor anguli oris and 2. Depressor labii inferioris
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What are the 4 muscles in quadratus superiori?
zygomatic major, zygomatic minor, levator labii superioris, levator labii superioris alaequae nasi
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What is a modiolus?
A point where many facial muscle converge (6-9)
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What are the 2 parts of orbicularis oculi?
orbital (external), palpebral (internal)
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What is epicranial aponeurosis?
a flattened tendon
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SCALP what does it stand for?
skin, connective tissue which is highly vascularised, apeneurosis, loose connective tissue and pericranium
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What does the facial nerve do? (CN V11)
innervates muscles of the facial expressions
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Facial nerve clinical test?
frown, close eyes tightly, smile, puff out cheeks
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Through which foramina does the facial nerve come through?
internal acoustic meatus
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Bell's Palsy cause and recovery?
Viral infection of the facial nerve, corticosteroids
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What are the branches of the facial nerve?
Temporal, zygomatic, buccal, madibular, cervical , stylomastoid foramen
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What surrounds the pituitary gland?
cavernous sinus
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where does the pterygoid venous plexus empty?
empties into maxillary vein
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Where do superficial and deep lymphatics drain?
drain to deep cervical lymph nodes
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What is a dermatome?
A dermatome is the area of skin supplied by the sensory fibres in a given somatic nerve
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What is the sensory nerve supply to the face?
Great auricular nerve (C2,3) and Trigeminal nerve (CN V)
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What are the 3 divisions of the trigeminal nerve?
ophthalmic, maxillary and mandibular
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The nerves in the ophthalmic division?
supra orbital nerve, supra trochlear nerve, infra trochlear nerve, lacrimal nerve, external nasal nerve
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The nerves in the maxillary division ?
infra orbital nerve, zygomatico temporal nerve, zygomatico facial nerve
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The nerves in the mandibular division
mental nerve, long buccal nerve, auricolo- temporal nerve
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CLINICAL TESTING OF THE SENSORY COMPONENT OF CN V: THE TRIGEMINAL NERVE
Ask the patient to close their eyes. Gently brush the skin in each dermatome with a fine tip of cotton wool. Ask the patient to tell you when they feel their skin being touched. Compare the 2 sides.
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what is the foramen for: a) the supra orbital nerve, b) infra orbital nerve, c) mental nerve
supraorbital, infraorbial, mental foramen
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Other cards in this set

Card 2

Front

Where are the muscle of facial expression found?

Back

In superficial fascia

Card 3

Front

Which are the depressors of the lip?

Back

Preview of the front of card 3

Card 4

Front

What are the 4 muscles in quadratus superiori?

Back

Preview of the front of card 4

Card 5

Front

What is a modiolus?

Back

Preview of the front of card 5
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