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Head and neck development Flashcards

(32 cards)

1
Q

derivative of pharyngeal cleft 1

A

external auditory meatus

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2
Q

derivative of pharyngeal pouch 1

A

typanic/middle ear cavity

auditory tube

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3
Q

derivative of pharyngeal pouch 2

A

fossa for palatine tonsil

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4
Q

derivative of pharyngeal pouch 3

A

inferior parathyroid gland

thymus

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5
Q

derivative of pharyngeal pouch 4

A

superior parathyroid gland

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6
Q

derivative of pharyngeal pouch 5

A

ultimobranchial body (C or calcitonin cells of thyroid)

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7
Q

cranial nerve of pharyngeal arch 1

A

V Trigeminal

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8
Q

cranial nerve of pharyngeal arch 2

A

VII Facial

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9
Q

cranial nerve of pharyngeal arch 3

A

IX Glossopharyngeal

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10
Q

cranial nerve of pharyngeal arch 4

A

X Vagus (superior laryngeal)

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11
Q

cranial nerve of pharyngeal arch 6

A

X Vagus (recurrent laryngeal)

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12
Q

Muscles of pharyngeal arch 1

A

4 muscles of mastication:

  • lateral pterygoid
  • medial pterygoid
  • masseter
  • temporalis

4 Addnl muscles

  • tensor tympani
  • tensor veli palatini
  • mylohyoid
  • anterior belly of digastric
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13
Q

Muscles of pharyngeal arch 2

A

muscles of facial expression

3 addnl muscles

  • posterior belly of digastric
  • stylohyoid
  • stapedius
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14
Q

Muscles of pharyngeal arch 3

A

stylopharyngeus

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15
Q

Muscles of pharyngeal arch 4

A

levator veli palatini
intrinsic muscles of soft palate
cricothyroid
constrictors of pharynx

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16
Q

Muscles of pharyngeal arch 6

A

intrinsic laryngeal muscles

17
Q

Bones of pharyngeal arch 1

A

maxilla
mandible
malleus
incus

18
Q

Bones of pharyngeal arch 2

A

stapes
styloid process
lesser horn of hyoid

19
Q

Bones of pharyngeal arch 3

A

greater horn of hyoid

20
Q

Bones of pharyngeal arch 4

A

thyroid cartilage

21
Q

Bones of pharyngeal arch 6

A

cricoid cartilage

22
Q

CN I associated embryonic primordia

A

olfactory placode

23
Q

CN II associated embryonic primordia

A

optic vesicle - outgrowth from brain

24
Q

CN III associated embryonic primordia

A

preotic somite

25
CN IV associated embryonic primordia
preotic somite
26
CN V associated embryonic primordia
branchial arch 1
27
CN VI associated embryonic primordia
preotic somite
28
CN VII associated embryonic primordia
Branchial arch 2
29
CN VIII associated embryonic primordia
otic placode
30
CN IX associated embryonic primordia
branchial arch 3
31
CN X associated embryonic primordia
branchial arch 4 & 6
32
CN XII associated embryonic primordia
postotic somite