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T2 - Dani's GA2 > GA2 - pharyngeal apparatus > Flashcards

GA2 - pharyngeal apparatus Flashcards

1
Q

pharyngeal ___: mesenchymal bars of tissue

A

arches

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2
Q

pharyngeal ___: inside of the embryo

A

pouches

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3
Q

pharyngeal pounches are lined by ___

A

endoderm

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4
Q

pharyngeal ____: outside of the embryo

A

grooves

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5
Q

pharyngeal grooves are lined by ___

A

ectoderm

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6
Q

pharyngeal pouches and grooves are in between the ___

A

arches

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7
Q

pharyngeal ___ are where the grooves and pouches meet

A

membranes

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8
Q

pharyngeal membranes contain both ___ and ___

A

endoderm

ectoderm

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9
Q

at 24 days, only arch ___ and __ are present

A

1

2

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10
Q

at 26 days arches ___ through ___ are present

A

1-3

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11
Q

at day 28, arches ___ through __ are present

A

1-4

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12
Q

typical pharyngeal arch consists of 4 things

A

aortic arch
cartilaginous rod
muscular component
nerve

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13
Q

aortic arch is an artery arising from the ___ ___ of the primordial heart

A

truncus arteriosus

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14
Q

cartilaginous rod forms the ___ of the arch

A

skeleton

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15
Q

muscular component gives rise to muscles of the ___ and ___

A

head and neck

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16
Q

nerve of the pharyngeal arch supplies the ___ and __ derived from the arch

A

mucosa

muscles

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17
Q

pharyngeal and branchial arches appear early in the ___ week of development

A

4th

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18
Q

pharyngeal arches consist of __ of mesenchymal tissue

A

bars

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19
Q

pharyngeal arches are involved in the formation of the __ and also the __

A

neck

face

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20
Q

at the end of the 4th week, the center of the face is formed by the ____

A

stomodeum

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21
Q

stomodeum is the future ___

A

mouth

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22
Q

stomodeum has a membrane covering called the ___ membrane

A

oropharyngeal

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23
Q

by 4.5 weeks, __ mesenchymal prominences can be recognized

A

5

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24
Q

the 5 mesenchymal prominences that are present at 4.5 weeks are:

A 
mandibular prominences (2)
maxillary prominences (2)
frontonasal prominance (1)
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25
Q

the mesoderm of the arches give rise to the ___ of the face and neck

A

musculature

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26
Q

2st pharyngeal arch gives rise to the ___ and ___ prominences

A

maxillary

mandibular

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27
Q

first pharyngeal arch gives rise to 5 bones and part of another

A 
malleus
incus
mandible
maxilla
zygomatic
part of temporal
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28
Q

5 muscles derived from the 1st pharyngeal arch

A 
muscles of mastication
mylohyoid
ant belly of digastric
tensor veli palatini
tensor tympani
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29
Q

innervation to the muscle of the 1st pharyngeal arch

A

mandibular division of trigeminal n

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30
Q

2 ligaments from the 1st pharyngeal arch

A

ant lig of malleus

sphenomandibular lig

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31
Q

1 nerve from the 1st pharyngeal arch

A

mandibular division of the trigeminal

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32
Q

mandibular division of the trigeminal contains what fiber?

A

SVE

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33
Q

4 bones of the 2nd pharyngeal arch

A

stapes
styloid process
lesser horn of hyoid
upper portion of body of hyoid

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34
Q

4 muscles from the 2nd pharyngeal arch

A

muscles of facial expression
post digastric
stylohyoid
stapdius

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35
Q

what nerve innervates the muscles from the 2nd pharyngeal arch

A

facial nerve

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36
Q

what fiber does the facial nerve carry

A

SVE

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37
Q

what nerve is derived from the 2nd pharyngeal arch

A

facial

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38
Q

2 bones from the 3rd pharyngeal arch

A

greater horn of hyoid

lower portion of the body of they hyoid

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39
Q

what cartilage is derived from the 3rd and 4th pharyngeal arch

A

epiglottis

40
Q

what muscle is derived from the 3rd pharyngeal arch

A

stylopharyngeus

41
Q

what nerve supplies the styloharyngeus

A

glossopharyngeal

42
Q

what nerve is derived from the 3rd pharyngeal arch?

A

glossopharyngeal

43
Q

5th pharyngeal arch is ___

A

rudimentary

44
Q

5 cartilages derived from the 4th and 6th pharyngeal arch

A 
thyroid
cricoid
arytenoid
corniculate
cuneiform
45
Q

thyroid, cricoid, arytenoid, corniculate and cuneiform cartilages form the framework for the ___

46
Q

5 muscles derived from the 4th and 6th pharyngeal arch

A 
cricothyroid
levator veli palatini
pharyngeal constrictors
intrinsic muscles of the larynx
striated muscle of esophagus
47
Q

2 nerves from the 4th and 6th pharyngeal arches

A

superior laryngeal nerve

recurrent laryngeal nerve

48
Q

recurrent laryngeal nerves are branches of the ___

49
Q

superior laryngeal nerve splits into internal and external at the level of the ___ horn of the ___ bone

A

greater

hyoid

50
Q

superior laryngeal nerve gives sensory to the inside of the ___

51
Q

superior thyroid a and superior laryngeal nerve supplies the ___ muscle

A

cricothyroid

52
Q

recurrent laryngeal nerve supplies all the intrinsic muscles of the ___

53
Q

1st pharyngeal pouch forms a stalk-like diverticulum called the ___ ____

A

tubotympanic recess

54
Q

___ auditory meatus is derived from the 1st pharyngeal cleft

55
Q

tubotympanic recess gives rise to the __ cavity and ___ tube

A

tympanic

auditory

56
Q

the epithelium of the 2nd pharyngeal pouch proliferates and forms ____

57
Q

_____ tonsil derived from the 2nd pharyngeal pouch

58
Q

2nd pharyngeal pouch lengthens and grows over 3, 4, and 5 and closes to make the ___ __

A

cervical sinus

59
Q

cervical sinus will eventually ____

60
Q

dorsal part of the 3rd pharyngeal pouch forms the ___ ___ glands

A

inf parathyroid glands

61
Q

ventral part of the 3rd pharyngeal pouch forms the ___

62
Q

4rd pharyngeal pouch forms the ___ ___ glands

A

superior parathyroid

63
Q

5rd pharyngeal pouch forms the ___ __

A

ultimobranchial body

64
Q

ultimorbranchial body is incorporated into the __ gland; it gives rise to the ____ cells

A

thyroid

parafollicular

65
Q

parafollicular cells make ____

A

calcitonin

66
Q

___ ___: abnormal connection of the palatine tonsil to the outside

A

branchial fistula

67
Q

___ gland is the first endocrine gland to develop in the embryo

68
Q

thyroid gland begins to form as endodermal thickening in the floor of primordial ____ 24 days after fertilization

69
Q

the thyroid diverticulum originates from the ___ region

70
Q

by __ weeks, the thyroid gland has assumed its definitive shape reaching its final site in the neck

71
Q

as the thyroid gland migrates toward the neck from the tongue region, it leaves behind a trail that should ultimately disintegrate. sometimes parts persists and you get let over thyroid gland ___

72
Q

____ lobe is remnant of thyroglossal duct

73
Q

cervical thyroid is when…

A

thyroid gland didnt migrate all the way

74
Q

lingual thyroid

A

failure of the thyroid gland to migrate at all

75
Q

tongue derived from pharyngeal arch ___ through ___

76
Q

there are 4 aspects to the developing tongue

A

median tongue bud
distal tongue bud
copula
hypopharyngeal eminence

77
Q

near the end of the 4th week, a median triangular eminence appears in the primordial ____ floor

A

pharyngeal

78
Q

ant 2/3 of the tongue recieves GSA through the ___ part of the trigeminal

A

mandibular

79
Q

facial nerve responsible for SVA for ___ in the tongue

80
Q

post 1/3 of the tongue revieves GVA and GSA from the _____ n

A

glossopharyngeal

81
Q

___ of tongue and ___ of lingual papilla seen in downs syndrome

A

fissure

hypertrophy

82
Q

ankyloglossia

A

lingual frenulum is too short

tongue tied

83
Q

lingual papilla

A

ectodermal projections that give the tongue a rough appearance
grab hold of the bolus

84
Q

parotid gland is the ___ to appear early in the ___ week

A

first

sixth

85
Q

submandibular gland appears late in the __ week

86
Q

sublingual gland appear in the __ week

87
Q

facial primordia appear early in the ___ week around the large ____

A

4

stomodeum

88
Q

fascial development depends upon infulence of ____ and ___ organizing centers

A

prosencephalic

rhombencephalic

89
Q

prosencephalic and rhombencephalic organizing centers are portions of the developing ____

90
Q

5 facial primordia

A

1 frontonasal prominence
2 maxillary prominences
2 mandibular prominances

91
Q

frontonasal prominence forms the ___ and the dorsum and apex of the ___

A

forehead

nose

92
Q

lateral nasal prominneces from the sides of the __

93
Q

medial nasal prominences from the ___ ___

A

nasal septum

94
Q

maxillary prominences form the upper ___ regions and most of the upper ___

95
Q

mandibular prominences give rise to the ___, lower ___, and lower ___ regions

A

chin
lip
cheek

96
Q

palatogenesis begins at the end of the ___ week and finishes in the ___ week

T2 - Dani's GA2 (5 decks)

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