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Embryology > Branchial/Pharyngeal Arch Derivatives > Flashcards

Branchial/Pharyngeal Arch Derivatives Flashcards

1
Q

Cartilage - Meckel’s Cartilage (Mandible, Malleus, incus, spheno-Mandibular ligament)

A

1st arch

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2
Q

Cartilage - Reichert’s Cartilage (Stapes, Styloid process, lesser horn of hyoid, Stylohyoid ligament)

A

2nd arch

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3
Q

Cartilage - greater horn of hyoid

A

3rd arch

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4
Q

Cartilage - thyroid, cricoid, arytenoids, corniculate, cuneiform

A

4th-6th arch

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5
Q

Muscles - Mastication (temporalis, masseter, lateral and medial pterygoids, myelohyoid, anterior belly or digastric, tensor tympani, tensor veli palatani)

A

1st arch

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6
Q

Muscles of facial expression (stapedius, stylohyoid, posterior belly of disgastric)

A

2nd arch

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7
Q

Muscles - stylopharyngeus

A

3rd arch

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8
Q

Muscles - most pharyngeal constrictors; cricothyroid, levator veli palatani

A

4th arch

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9
Q

Muscles - all intrinsic muscles of larynx except cricothyroid

A

6th arch

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10
Q

CN V2 and V3

A

1st arch

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11
Q

CN VII

A

2nd arch

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12
Q

CN IX

A

3rd arch

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13
Q

CN X, superior laryngeal branch

A

4th arch

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14
Q

CN X, recurrent branch

A

6th arch

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15
Q

The _______ branchial arch forms the anterior 2/3 of the tongue, which has sensory innervation from _________ and taste innervation from __________

A

1st
CN V3
CN VII

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16
Q

The ___ and ___ arches form the posterior 1/3 of the tongue, which has sensory AND taste innervation from ___ and at the extreme posterior via ___

A

3rd and 4th
CN IX
CN X

17
Q

Motor innervation of the tongue is via ___

A

CN VII

18
Q

Muscles of the tongue are derived from ____________

A

occipital myotomes

19
Q

Failure of the fusion of the maxillary and medial nasal processes (primary palate)

A

Cleft lip

20
Q

Failure of the fusion of the lateral palatine processes, the nasal septum, and/or the median palatine process (the formation of the secondary palate)

A

Cleft palate

Embryology (16 decks)

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