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21 Cards in this Set
- Front
- Back
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1 - Cartilage
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Meckel's cartilage, Mandible, Malleus, incus, spheno-mandibular ligament
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1-Muscles
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Muscles of Mastication:
Temporalis, Masseter, lateral and medial pterygoids, mylohyoid anterior belly of digastric, tensor tympani, tensor veli palatini |
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1 - Nerve
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CN V2 and V3 (chew)
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1- Abnormalities
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Treacher Collins Syndrome: 1st arch NC fails to migrate -> mandibular hypoplasia, facial abnormalities
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Muscle that opens the Jaw
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Lateral pytergoid
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2-Cartilage
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Reichert's cartilage: Stapes, Styloid process, lesser horn of hyoid, stylohyoid ligament
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2-Msucles
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Muscles of facial expression, Stapedius, Stylohyoid, posterior belly of digastric
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2-Nerve
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CN VII (facial expressiion, Smile)
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3-Cartilage
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greater horn of hyoid
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3-muscles
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stylopharyngeus (think of stylo-pharyngeus innervated by glosspharyngeal nerve)
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3-Nerve
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CN IX (stylo-pharnygeus) swallow stylishly
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3-Abnormalities
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Congenital pharyngo-cutaneous fistula: persistence of cleft and pouch -> fistula b/t tonsillar area, cleft in lateral neck
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4-6- Cartilage
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Thyroid, cricoid, arytenoids, corniculate, cuneiform
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4-Muscles
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Most pharyngeal constrictors: cricothyroid, levator veli palatini
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6-Muscles
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all intrinsic muslces of larynx EXCEPT cricothyroid
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4-nerve
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CN X (superior laryngeal branch) simply swallow
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6-nerve
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CN X (recurrent laryngeal branch) speak
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4-6 abnromalities / comments
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arches 3 and 4 from posterior 1/3 of tongue; arch 5 makes no major dev conributions
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Palatoglossus
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Only muscle of the tongue that is not innervated by CNXII (hypoglossus). it is innervated by CN X
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Tongue- anterior 2/3
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1st branchial arch
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Tongue -posterior 2/3
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3-4th branchial arch
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