Anatomy Flashcards
1
Q
platysma innervation
A
cervical branch of facial nerve (VII)
2
Q
external jugular vein location
A
posterior mandible and superficial to SCM
drains into subclavian vein
3
Q
cutaneous branches of cervical plexus
A
lesser occipital
great auricle
transverse cervical
supraclavicular
4
Q
lesser occipital nerve innervates
A
scalp behind the ear
5
Q
great auricular nerve innervates
A
skin of lower ear, over parotid gland, and angle between mandible and mastoid process
6
Q
lesser occipital nerve location
A
parallel to posterior boarder of SCM
7
Q
great auricular nerve location
A
up towards front of ear
top most superficial nerve to SCM
8
Q
transverse cervical nerve location
A
transverse across SCM
9
Q
transverse cervical nerve innervates
A
skin of anterior neck triangle
10
Q
supraclavicular nerve location
A
down towards clavicle
11
Q
supraclavicular nerve innervates
A
skin over shoulder
12
Q
accessory nerve location
A
on top of levator scapulae m, under the investing fascia
near internal jugular v
13
Q
veins forming external jugular vein
A
retromandibular v
posteiror auricular v
14
Q
anterior jugular vein drains into
A
external jugular v
15
Q
hyoid depressors
A
sternohyoid
omohyoid
16
Q
larynx depressors
A
sternothyroid
17
Q
larynx elevators
A
thyrohyoid
18
Q
anterior digastric belly innervation
A
mylohyoid nerve from mandibular division of trigeminal nerve (V3)
19
Q
posterior digastric belly innervation
A
facial nerve (VII)
20
Q
hyoid elevators
A
digastrics
stylohyoid
21
Q
mandible depressors
A
digastrics
22
Q
location of intermediate tendon of digastric
A
hyoid bone
23
Q
stylohyoid muscle innervation
A
facial nerve (VII)
24
Q
relationship of facial artery and vein to submandibular gland
A
vein is superficial
artery is deep
25
hypoglossal nerve location
deep to posterior belly of digastric
near internal carotid artery (and external carotid artery) by mandible
goes between mylohyoid and hyoglossus muscles to enter mouth
26
stylohyoid location
really close to the the posterior belly of digastric
| attaches around the intermediate tendon of the digastric m
27
facial vein drains into
internal jugular vein
28
ansa cervicalis location
around internal jugular vein
29
internal branch of superior laryngeal nerve goes through
thyrohyoid membrane
30
external branch of superior laryngeal nerve innervates
crithyroid m
| inferior pharyngeal constrictor
31
cricothyroid location
right under thyroid cartilage (tiny)
| between the cricoid and thyroid cartilages
32
internal jugular vein receives blood from
common facial vein
superior thyroid vein
middle thyroid vein
33
where does the facial artery come from
branch of external carotid artery
34
superior laryngeal artery comes from
superior thyroid artery (external carotid branch)
35
location of superior laryngeal artery
goes through the thyrohyoid membrane with the internal branch of superior laryngeal nerve
36
occipital artery supplies
part of scalp
37
posterior auricular artery supplies
part of scalp
38
innervation of carotid body and carotid sinus
IX and X
39
vagus nerve location
in carotid sheath behind the internal jugular v and common carotid a
40
thyroid gland location
C5-T1
41
pyramidal lobe of thyroid
extending superiorly from isthmus
| remnant of embryonic development showing the descent of the thyroid gland
42
inferior thyroid veins drain into the
brachiocephalic veins
43
what nerve can be injured by a thyroid tumor or a thyroidectomy
recurrent laryngeal nerve
44
parathyroid gland location
posterior thyroid- 4 little balls
45
what forms the brachiocephalic vein
internal jugular and subclavian veins
46
divisions of subclavian artery
first- prior to medial boarder of anterior scalene m
second- behind the anterior scalene m
third- beyond the lateral boarder of anterior scalene m
47
branches of first part of subclavian artery
vertebral
internal thoracic
thyrocervical trunk
48
branches of thyrocervical trunk
transverse cervical
suprascapular
inferior thyroid--> ascending cervical artery
49
branches of costocervical trunk
supreme intercostal deep cervical
50
vertebral artery goes between which muscles
anterior and middle scalene
51
where is dorsal scapular artery
passes between the superior and middle trunks of brachial plexus to get to the scapular region
52
phrenic nerve location
anterior to anterior scalene m
53
location of inferior cervical ganglion
near superior thoracic aperature
54
muscles of floor of posterior triangle from anterior to posterior
```
anterior scalene
middle scalene
posterior scalene
levator scapulae
splenius capitis
```
55
structures passing between the anterior and middle scalene m
subclavian artery
| brachial plexus
56
path of parotid duct
crosses over masseter muscle and then turns medially to pierce the buccinator muscle
enters mouth at second maxillary molar
57
branches of facial nerve inside the parotid gland
```
temporal
zygomatic
buccal
mandibular
cervical
```
58
path of temporal branch of VII
crosses zygomatic arch
59
path of zygomatic branch of VII
crosses zygomatic bone
60
path of buccal branches of VII
superficial to masseter muscle
| parallel to parotid duct
61
path of manidbular branch of VII
parallel to inferior mandible margin
62
path of cervical branch of VII
crosses over mandible to enter neck
63
difference between buccal branch of VII and buccal nerve of V3
buccal branch of VII- motor to buccinator
| buccal nerve of V3- cutaneous sensory over buccinator and to mucosa of cheek
64
path of facial artery
under mandible
posterior to submandibular nerve
comes up anterior to master
goes towards angle of mouth
65
branches of facial artery
superior and inferior labial arteries
66
angular artery comes from
facial artery changes name when it gets to the lateral nose
67
orbicularis oculi m innervation
temporal and zygomatic branches of VII
68
zygomaticus major innervation
zygomatic and buccal branches of VII
69
buccinator innervation
buccal branches of VII
70
levator labii superioris innervation
buccal branches of VII
71
orbicularis oris innervation
buccal and mandibular branches of VII
72
depressor angularis oris innervation
mandibular branch of VII
73
3 branches of trigeminal nerve that do face sensory
supraorbital- V1
infraorbital- V2
mental- V3
74
supraorbital nerve of V1 passes through what
supraorbital notch
75
infraorbital nerve of V2 passes through what
infraorbital foramen- covered by levator labii superiors
76
what goes infraorbital foramen
infraorbital nerve
infraorbital artery
infraorbital vein
77
mental nerve exits through
mental foramen- covered by depressor angel kris muscle
78
what goes through mental foramen
mental nerve - V3
mental artery
mental vein
79
path of auriculotemporal nerve
V3 branch
between head of mandible and external acoustic meatus
crosses zygomatic process
passes through parotid gland
80
auriculotemporal nerve function
cutaneous innervation of skin of anterior ear and temporal region
delivers post para fibers from otic ganglion to parotid gland
81
what forms the retromandibular vein
maxillary vein
| superificial temporal vein
82
things that go through the parotid gland
motor facial nerve branches
auriculotemporal nerve (V3)
superficial temporal a and v
83
where does the external carotid artery divide into terminal branches
neck of mandible
84
where is the occipitofrontalis muscle
frontalis- forehead
occipito- back of head
forms the aponeurosis layer of the scalp
85
vessels supplying scalp
```
supraorbital (ophthalmic)
supratrochelar (ophthalmic)
superficial temporal (ECA)
posterior auricular (ECA)
occipital (ECA)
```
86
innervation of scalp
```
supratrochlear (V1)
supraorbital (V1)
zygomaticotemporal (V1)
auriculotemporal (V3)
lesser occipital (cervical plexus)
greater occipital
```
87
contents of infra temporal fossa
medial and lateral pterygoid m
mandibular division branches
maxillary vessels and branches
88
bones of temporal fossa
parietal
frontal
squamous part of temporal
greater wing of sphenoid
89
lingula of mandible
attachment of sphenomandibular ligament
| on inside of ramus
90
what goes through mandibular foramen
inferior alveolar nerves and vessels
91
what is in mylohyoid groove
mylohyoid nerves and vessels
92
pterygomaxillary fissure
between the lateral plate of pterygoid process and maxilla
93
pterygopalatine fossa
superior end of pterygomaxillary fissure
94
sphenopalatine foramen
opening in medial wall of pterygopalatine fossa entering nasal cavity
95
lingual nerve of V3 innervates
sensory to mucosa of anterior 2/3 of tongue and oral cavity
96
maxillary artery origination
infratemporal fossa
97
branches of maxillary artery in infra temporal fossa
```
middle meningeal
deep temporal
masseteric
inferior alveolar
buccal
```
98
path of middle meningeal artery
splits off medial to neck of mandible
deep to lateral pterygoid m
auriculotemporal nerve splits around it
enters foramen spinosum to get into middle cranial fossa
99
middle meningeal artery supplies the
dura mater
100
masseteric artery path
goes through mandibular notch to get to master muscle
101
path of inferior alveolar artery
enters mandibular foramen with inferior alveolar nerve
102
buccal artery path
anterior to get onto buccinator
103
lateral pterygoid m attachment
attaches to TMJ
104
medial pterygoid m location
attaches to the angle of the mandible
105
nerves going between the pterygoid muscles
lingual nerve
| inferior alveolar nerve
106
lateral ligament of TMJ
from zygomatic arch to the mandible
107
location of dural venous sinuses
between the periosteal and meningeal layers of the dura mater
108
purpose of arachnoid granulations
dilations of arachnoid mater protruding into the dural venous sinus that return CSF to the venous system
109
epidural hematoma
middle meningeal artery rupture from lateral blow to the head (pterion ruptures anterior branch of middle meningeal artery)
blood accumulates between the dura and the bone
football shaped
110
subdural hematoma
rupture of cerebral veins due to frontal blow to the head
| bleed between the dura and arachnoid mater (subdural)
111
subarachnoid space
CSF location
112
central sulcus
coronal division between the frontal and parietal lobes
113
lateral sulcus
transverse division between frontal and temporal lobes
114
components of the circle of willis (cerebral arterial circle)
```
posterior cerebral
posterior communicating
internal carotid
anterior cerebral
anterior communicating
```
115
inferior brain location of CN III
most medial between pons and midbrain
| right at split of superior cerebellar and posterior cerebral
116
inferior brain location of CN IX
lateral between pons and midbrain
| bewteen posterior cerebral and superior cerebellar
117
trigeminal nerve location on inferior brain
large, 2 components coming out of pons
118
CN VI location on inferior brain
anterior to anterior inferior cerebellar artery between the pons and brainstem
119
CN VII location
middle branch out of pons anterior inferior cerebellar a
120
CN VIII location
lateral branch out of pons, anterior to anterior inferior cerebellar a
121
CN IX location
between pons and olive, top most
122
vagus nerve location infeiror brain
large between pons and olive
123
accessory nerve location inferior brain
coalescing of rootlets most posterior
124
hypoglossal nerve location inferior brain
comes out as rootlets from olive
125
middle meningeal artery goes through the
foramen spinosum
126
nerves through superior orbital fissure
III
IV
VI
V1
127
which nerve is very close to the internal carotid artery inside the cavernous sinus
abducent (VI) nerve
128
nerves along the lateral wall of cavernous sinus
III
IV
V1
V2
129
nerves in the cavernous sinus
abducent VI
130
what is in the jugular foramen
sigmoid sinus
| IX, X, XI
131
where is the sympathetic trunk
anterior, left side of cervical vertebral column
132
cervicothoracic (stellate) ganglion
fused inferior cervical and first thoracic ganglion
133
inferior pharyngeal constrictor does not attach to the
hyoid
134
middle pharyngeal constrictor attaches to the ___ and is under the
hyoid
| inferior pharyngeal constrictor
135
stylopharyngeus muscle goes between
superior and middle pharyngeal constrictor
136
innervation of stylopharyngeus
glossopharyngeal nerve (IX)
137
glossopharyngeal nerve entering pharynx
passes posterior and lateral to the stylopharyngeus m and enters between the superior and middle pharyngeal constrictors
138
what is the torus tubarius
cartilage of Eustachian tube covered by mucosa
139
salpingopharyngeal fold
runs down and back from the torus tubarius
140
pharyngeal recess
posterior to torus tubarius
141
pharyngeal tonsil location
above the pharyngeal recess
142
palatoglossal fold
anterior most fold
143
palatopharyngeal fold
posterior most fold
144
fauces
transitional region between the oral cavity and oropharynx
145
palatine tonsil location
between the palatoglossal and palatopharyngeal folds
146
role of lateral nasal cartilage
shape to bridge of nose
147
role of septal cartilage
separates right and left nasal cavities
148
role of alar cartilage
shape to sides of nostril
149
path of sphenopalatine artery and nasopalatine nerve
from the sphenopalatine foramen
down diagonally across the nasal septum
through incisive canal
150
opening of nasolacrimal duct
inferior nasal meatus
151
semilunar hiatus
curved slit in middle meatus
152
ethmoidal bulla
budge posterior to the semilunar hiatus and above the opening of the maxillary sinus
153
palatoglossus m function
elevate tongue and depress soft palate
154
palatopharyngeus m function
elevates larynx during swallowing
155
salpingopharyngus m function
elevates larynx during swallowing (blends with palatopharyngeus)
156
location of tensor veli palatini m
in the pterygoid fossa
| wraps around the humans of the medial pterygoid plate
157
5 muscles of soft palate and pharynx innervated by the vagus nerve
```
salpingopharyngeus
levator veli palatini
palatoglossus
platopharyngeus
musculus uvule
```
158
muscles of soft palate innervated by the glossopharyngeal nerve
stylopharyngeus
159
muscles of soft palate innervated by mandibular division of V
tensor veli palatini
160
muscles innervated by hypoglossal nerve
genioglossus
styloglossus
hyloglossus
161
where is the glossopharyngeal nerve in the mouth
in the tonsillar bed (between the palatoglossal and palatopharyngeal folds)
162
cricothyroid m innervatiotn
external branch of superior laryngeal nerve (X)
163
what is in the piriform recess
internal branch of superior laryngeal nerve
| inferior laryngeal nerve
164
where does the recurrent laryngeal nerve change names
passing the cricothyroid joint
| becomes the inferior laryngeal nerve
165
what muscle opens the rima glottidis
posterior cricoarytenoid m
166
high pitched voice
cricoarytenoid m
167
low pitched voice
thyroarytenoid m
168
external branch of superior laryngeal nerve innervates
cricothyroid m
| inferior pharyngeal constrictor
169
infeiror laryngeal branch of recurrent laryngeal nerve
thyroarytenoid
posterior cricoarytenoid
lateral cricoarytenoid
