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22 Cards in this Set
- Front
- Back
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1st aortic arch vascular derivative
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Part of maxillary artery (branch of external carotid)
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2nd aortic arch vascular derivative
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Stapedial artery. Hyoid Artery
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3rd aortic arch vascular derivative
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Common Carotid Artery and proximal internal carotid
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4th aortic arch vascular derivative
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Left side: aortic arch
Right side: Right subclavian artery |
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6th aortic arch vascular derivative
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Proximal pulmonary arteries
Left side: ductus artieosus |
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1st Brachial Cleft derivative
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External Auditory Meatus
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Nerve derived from 1st brachial arch
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CN V2 & V3
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Nerve derived from 2nd brachial arch
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CN VII
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Nerve derived from 3rd brachial arch
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CN IX
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Nerve derived from 4th brachial arch
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CN X - superior laryngeal branch
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Nerve derived from 6th brachial arch
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CN X - recurrent laryngeal branch
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Treacher-Collins Syndrome
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1st arch fails to migrate leading to mandibular hypoplasia, facial abnormalities
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Cartilage derived from 2nd brachial arch
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Reichert's Cartilage
(1) Stapes (2) Styloid (3) lesser horn of hyoid (4) stylohyoid ligament |
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Cartilage derived from 1st branchial arch
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Meckel's Cartilage
(1) Mandible (2) Malleus (3) Incus (4) Mandibular ligament |
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Cartilage derived from the 3rd branchial arch
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Greater Horn of Hyoid
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Cartilage derived from the 4th and 6th branchial arches
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Thyroid
Cricoid Arytenoids Corniculate Cuneiform |
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Muscles derived from the 1st branchial arch
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(a) Temporalis
(b) Pterygoids (c) Masseter (d) Mylohyoid (e) Anterior Belly of Digastric (f) Tensor tympani (g) Tensor Veli Palantini |
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Muscles derived from the 2nd branchial arch
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Muscles of Facial Expression
Stapedius Stylohyoid Posterior Belly of Digastric |
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Muscles derived from the 3rd branchial arch
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Stylopharyngeus
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Muscles derived from the 4th branchial arch
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Most pharyngeal constrictors
Cricothyroid Levator Veli Palantini |
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Muscles derived from the 6th branchial arch
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All intrinsic muscles of larynx except cricothyroid
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Branchial arches responsible for tongue development
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Anterior 2/3 --- Arch 1
Posterior 1/3 --- Arch 3 & 4 |
