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Aortic and branchial arches


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Aortic Arch 1
Maxillary artery
Aortic arch 2
Aortic arch 3
Aortic Arch 4
Aortic arch (left)
proximal subclavian (right)
Aortic Arch 6
Pulmonary trunk/arteries
(ductus arteriosus on left)
Branchial Arch 1
Meckel's Cartilage: Mandible, Malleus, incus, sphenoMandibular ligament
Muscles of Mastication: (temoralis, Masseter, lateral/Medial pterygoids), Mylohyoid, anterior belly of digastric, tensor tympani, tensor veli palatini
CN V (V2 and V3)
Branchial Arch 2
Stapes, Styloid process, lesser horn of hyoid, Stylohyoid ligament,
Muscles: facial expression, Stapedius, Stylohyoid, poSterior belly of digastric
CN VII (Seven)
Branchial Arch 3
Greatern horn of Hyoid
muscle = stylopharyngeus
CN IX (glossopharyngeus)
(9 glossy mags say Style is a phar greater hy)
Branchial Arch 4 and 6
cartilage: Thyroid, Cricoid, Arytenoids, Corniculate, Cuneiform
muscle 4 - pharyngeal constrictors, cricothyroid, levator veli palatini
muscle 6 - intrisic muscles of larynx EXCEPT Cricothyroid
4 = CN X
6 = CN X-recurrent laryngeal branch
1st Branchial cleft develops into?
External auditory meatus (ectoderm)
-incus/malleus/tensor tympani from 1st branchial arch
-eardrum and eustachian tube from 1st pharyngeal membrane

Deck Info