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15 Cards in this Set

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Branchial Arch 1 - Muscles
Remember the M's:
-Muscles of Mastication
-Masseter
-Medial pterygoids
-Mylohyoid
-Anterior belly of digrastric, tensor tympani, tensor veli palatini, anterior 2/3 of tongue
Branchial Arch 1 - Nerves
CN V2 and V3 (chewing)
Branchial Arch 1 - Abnormalities
Treacher Collins syndrome: 1st arch neural crest fails to migrate --> mandibular hypoplacial, facial abnormalities, kr)
Branchial Arch 1 - Cartilage
Meckel's cartilage:
Mandible
Malleus
Incus
Spheno-Mandibular ligament
Branchial Arch 2 - Cartilage
Think S's:
(Reichert's cartilage:)
-Stapes
-Styloid process
-LeSSer horn of hyoid
-Stylohyoid ligament
Branchial Arch 2 - Muscles
Muscles of Facial ExpreSSion
Stapedius
Stylohyoid
PoSterior belly of digastric
Branchial Arch 2 - Nerves
CN VII (facial expression)
Branchial arch 3 - Cartilage
Greater horn of hyoid (lesser horn of hyoid is arch 2)
Branchial Arch 3 - Muscle
Stylopharyngeus (innervated by glossopharyngeal nerve)
Branchial Arch 3 - Nerve
CN IX
(Glossopharyngeal nerve)
Branchial Arch 3 - Abnormalities
Congenital pharyngo-cutaneous fistula: persistence of cleft & pouch --> fistula between tonsillar area, cleft in lateral neck
Branchial Arch 4-6 - Cartilages
Thyroid
CricoidArytenoids
Corniculate
Cuneiform
Branchial Arch 4-6 - Muscles
4th arch: most pharyngeal constrictors; cricothyroid; levator veli palatini
So, Phourth is Pharynx

6th arch: all intrinsic muscles of larynx (except cricothyroid)
And 6th = larynx
Branchial Arch 4-6 - Nerves
4th: CN X (superior laryngeal branch - swallowing)

6th: CN X (recurrent laryngeal branch - speaking)
What forms the posterior 1/3 of tongue?
Branchial arches 3 and 4