GA2 - pharyngeal apparatus Flashcards
(96 cards)
1
Q
pharyngeal ___: mesenchymal bars of tissue
A
arches
2
Q
pharyngeal ___: inside of the embryo
A
pouches
3
Q
pharyngeal pounches are lined by ___
A
endoderm
4
Q
pharyngeal ____: outside of the embryo
A
grooves
5
Q
pharyngeal grooves are lined by ___
A
ectoderm
6
Q
pharyngeal pouches and grooves are in between the ___
A
arches
7
Q
pharyngeal ___ are where the grooves and pouches meet
A
membranes
8
Q
pharyngeal membranes contain both ___ and ___
A
endoderm
ectoderm
9
Q
at 24 days, only arch ___ and __ are present
A
1
2
10
Q
at 26 days arches ___ through ___ are present
A
1-3
11
Q
at day 28, arches ___ through __ are present
A
1-4
12
Q
typical pharyngeal arch consists of 4 things
A
aortic arch
cartilaginous rod
muscular component
nerve
13
Q
aortic arch is an artery arising from the ___ ___ of the primordial heart
A
truncus arteriosus
14
Q
cartilaginous rod forms the ___ of the arch
A
skeleton
15
Q
muscular component gives rise to muscles of the ___ and ___
A
head and neck
16
Q
nerve of the pharyngeal arch supplies the ___ and __ derived from the arch
A
mucosa
muscles
17
Q
pharyngeal and branchial arches appear early in the ___ week of development
A
4th
18
Q
pharyngeal arches consist of __ of mesenchymal tissue
A
bars
19
Q
pharyngeal arches are involved in the formation of the __ and also the __
A
neck
face
20
Q
at the end of the 4th week, the center of the face is formed by the ____
A
stomodeum
21
Q
stomodeum is the future ___
A
mouth
22
Q
stomodeum has a membrane covering called the ___ membrane
A
oropharyngeal
23
Q
by 4.5 weeks, __ mesenchymal prominences can be recognized
A
5
24
Q
the 5 mesenchymal prominences that are present at 4.5 weeks are:
A
mandibular prominences (2) maxillary prominences (2) frontonasal prominance (1)
25
the mesoderm of the arches give rise to the ___ of the face and neck
musculature
26
2st pharyngeal arch gives rise to the ___ and ___ prominences
maxillary
| mandibular
27
first pharyngeal arch gives rise to 5 bones and part of another
```
malleus
incus
mandible
maxilla
zygomatic
part of temporal
```
28
5 muscles derived from the 1st pharyngeal arch
```
muscles of mastication
mylohyoid
ant belly of digastric
tensor veli palatini
tensor tympani
```
29
innervation to the muscle of the 1st pharyngeal arch
mandibular division of trigeminal n
30
2 ligaments from the 1st pharyngeal arch
ant lig of malleus
| sphenomandibular lig
31
1 nerve from the 1st pharyngeal arch
mandibular division of the trigeminal
32
mandibular division of the trigeminal contains what fiber?
SVE
33
4 bones of the 2nd pharyngeal arch
stapes
styloid process
lesser horn of hyoid
upper portion of body of hyoid
34
4 muscles from the 2nd pharyngeal arch
muscles of facial expression
post digastric
stylohyoid
stapdius
35
what nerve innervates the muscles from the 2nd pharyngeal arch
facial nerve
36
what fiber does the facial nerve carry
SVE
37
what nerve is derived from the 2nd pharyngeal arch
facial
38
2 bones from the 3rd pharyngeal arch
greater horn of hyoid
| lower portion of the body of they hyoid
39
what cartilage is derived from the 3rd and 4th pharyngeal arch
epiglottis
40
what muscle is derived from the 3rd pharyngeal arch
stylopharyngeus
41
what nerve supplies the styloharyngeus
glossopharyngeal
42
what nerve is derived from the 3rd pharyngeal arch?
glossopharyngeal
43
5th pharyngeal arch is ___
rudimentary
44
5 cartilages derived from the 4th and 6th pharyngeal arch
```
thyroid
cricoid
arytenoid
corniculate
cuneiform
```
45
thyroid, cricoid, arytenoid, corniculate and cuneiform cartilages form the framework for the ___
larynx
46
5 muscles derived from the 4th and 6th pharyngeal arch
```
cricothyroid
levator veli palatini
pharyngeal constrictors
intrinsic muscles of the larynx
striated muscle of esophagus
```
47
2 nerves from the 4th and 6th pharyngeal arches
superior laryngeal nerve
| recurrent laryngeal nerve
48
recurrent laryngeal nerves are branches of the ___
vagus
49
superior laryngeal nerve splits into internal and external at the level of the ___ horn of the ___ bone
greater
| hyoid
50
superior laryngeal nerve gives sensory to the inside of the ___
larynx
51
superior thyroid a and superior laryngeal nerve supplies the ___ muscle
cricothyroid
52
recurrent laryngeal nerve supplies all the intrinsic muscles of the ___
larynx
53
1st pharyngeal pouch forms a stalk-like diverticulum called the ___ ____
tubotympanic recess
54
___ auditory meatus is derived from the 1st pharyngeal cleft
external
55
tubotympanic recess gives rise to the __ cavity and ___ tube
tympanic
| auditory
56
the epithelium of the 2nd pharyngeal pouch proliferates and forms ____
buds
57
_____ tonsil derived from the 2nd pharyngeal pouch
paatine
58
2nd pharyngeal pouch lengthens and grows over 3, 4, and 5 and closes to make the ___ __
cervical sinus
59
cervical sinus will eventually ____
disappear
60
dorsal part of the 3rd pharyngeal pouch forms the ___ ___ glands
inf parathyroid glands
61
ventral part of the 3rd pharyngeal pouch forms the ___
thymus
62
4rd pharyngeal pouch forms the ___ ___ glands
superior parathyroid
63
5rd pharyngeal pouch forms the ___ __
ultimobranchial body
64
ultimorbranchial body is incorporated into the __ gland; it gives rise to the ____ cells
thyroid
| parafollicular
65
parafollicular cells make ____
calcitonin
66
___ ___: abnormal connection of the palatine tonsil to the outside
branchial fistula
67
___ gland is the first endocrine gland to develop in the embryo
thyroid
68
thyroid gland begins to form as endodermal thickening in the floor of primordial ____ 24 days after fertilization
pharynx
69
the thyroid diverticulum originates from the ___ region
tongue
70
by __ weeks, the thyroid gland has assumed its definitive shape reaching its final site in the neck
7
71
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 ___
tissue
72
____ lobe is remnant of thyroglossal duct
pyramidal
73
cervical thyroid is when...
thyroid gland didnt migrate all the way
74
lingual thyroid
failure of the thyroid gland to migrate at all
75
tongue derived from pharyngeal arch ___ through ___
1-4
76
there are 4 aspects to the developing tongue
median tongue bud
distal tongue bud
copula
hypopharyngeal eminence
77
near the end of the 4th week, a median triangular eminence appears in the primordial ____ floor
pharyngeal
78
ant 2/3 of the tongue recieves GSA through the ___ part of the trigeminal
mandibular
79
facial nerve responsible for SVA for ___ in the tongue
taste
80
post 1/3 of the tongue revieves GVA and GSA from the _____ n
glossopharyngeal
81
___ of tongue and ___ of lingual papilla seen in downs syndrome
fissure
| hypertrophy
82
ankyloglossia
lingual frenulum is too short
| tongue tied
83
lingual papilla
ectodermal projections that give the tongue a rough appearance
grab hold of the bolus
84
parotid gland is the ___ to appear early in the ___ week
first
| sixth
85
submandibular gland appears late in the __ week
sixth
86
sublingual gland appear in the __ week
8th
87
facial primordia appear early in the ___ week around the large ____
4
| stomodeum
88
fascial development depends upon infulence of ____ and ___ organizing centers
prosencephalic
| rhombencephalic
89
prosencephalic and rhombencephalic organizing centers are portions of the developing ____
brain
90
5 facial primordia
1 frontonasal prominence
2 maxillary prominences
2 mandibular prominances
91
frontonasal prominence forms the ___ and the dorsum and apex of the ___
forehead
| nose
92
lateral nasal prominneces from the sides of the __
nose
93
medial nasal prominences from the ___ ___
nasal septum
94
maxillary prominences form the upper ___ regions and most of the upper ___
cheek
| lip
95
mandibular prominences give rise to the ___, lower ___, and lower ___ regions
chin
lip
cheek
96
palatogenesis begins at the end of the ___ week and finishes in the ___ week
5th
| 12th
