Week 1 - Neuro Anatomy Flashcards
(263 cards)
1
Q
frontal bone
A
front of skull
2
Q
supraorbital foramen
A
supraorbital nerve
3
Q
supraorbital nerve
A
branch of ophthalmic nerve (V1) of trigeminal nerve
4
Q
frontal sinus
A
in brow above eye
5
Q
foramen cecum
A
small hole in front of cribriform plate, emissary vein to superior sagittal sinus
6
Q
parietal bone
A
superior / posterior of skull
7
Q
parietal foramen
A
near suture line, emissary veins
8
Q
occipital bone
A
back of head
9
Q
external occipital protuberance
A
bump on occipital bone
10
Q
internal occipital protuberance
A
bump inside occipital bone
11
Q
jugular foramen
A
large hole inferior to petrous part
12
Q
passes through jugular foramen
A
CN IX glossopharyngeal, CN X vagus nerve, CN XI accessory nerve, inferior petrosal sinus, sigmoid sinus, internal jugular vein descends from it
13
Q
hypoglossal canal
A
medial to jugular foramen, near anterior occipital condyle
14
Q
passes through hypoglossal canal
A
CN XII hypoglossal nerve
15
Q
foramen magnum
A
large hole in occipital bone
16
Q
passes through foramen magnum
A
CN XI accessory nerve, vertebral arteries, spinal cord
17
Q
occipital condyle
A
on both sides of foramen magnum, articulates with C1 vertebra (atlas)
18
Q
temporal bone
A
lateral sides of skull
19
Q
external auditory meatus
A
outside ear hole in temporal bone
20
Q
internal auditory meatus
A
on inferior vertical surface of petrous part
21
Q
passes through internal auditory meatus
A
CN VII facial nerve, CN VIII vestibulocochlear nerve
22
Q
mastoid process
A
bump on temporal bone behind ear, points inferiorly
23
Q
styloid process
A
sharp spike off inferior temporal bone, medial to mastoid process
24
Q
mandibular fossa
A
notch under zygomatic process of temporal bone for the condylar process of the mandible
25
articular tubercle
bump on zygomatic process of temporal bone
26
zygomatic process of temporal bone
creates zygomatic arch by fusing with temporal process of zygomatic bone
27
petrous part
shelf on temporal bone inside skull
28
foramen lacerum
cartilage filled in life, medial, anterior to occipital condyle
29
carotid canal
anterior to jugular foramen in temporal bone
30
passes through the carotid canal
internal carotid artery, postganglionic sympathetic fibers
31
stylomastoid foramen
between styloid and mastoid on temporal bone
32
passes through stylomastoid foramen
CN VII facial nerve (after it passes through the internal auditory meatus)
33
sphenoid bone
bat shaped bone posterior to cribriform plate and in the back of eye orbital
34
lesser wing of sphenoid bone
posterior edge of anterior cranial fossa
35
greater wing of sphenoid bone
inferior to lesser wing of sphenoid bone
36
prechiasmatic groove
slender indentation anterior to sella turcica
37
sphenoid sinus
open space inside sphendoid bone
38
medial pterygoid plate
medial pointed edge that runs vertically off sphenoid bone posterior to palatine area
39
lateral pterygoid plate
lateral pointed edge that runs vertically off sphenoid bone posterior to palatine area
40
optic canal
lateral to prechiasmatic groove
41
passes through the optic canal
CN II optic nerve, ophthalmic artery (branch of internal carotid artery)
42
superior orbital fissure
long opening inferior to lesser wing of sphenoid
43
passes through superior orbital fissure
CN III oculomotor nerve, CN IV trochlear nerve, CN V1 ophthalmic division of trigeminal nerve, CN VI abducens nerve
44
inferior orbital fissure
long opening inferior to greater wing of sphenoid
45
foramen rotundum
posterior to orbital fissures and medial to sella turcica in sphenoid
46
passes through the foramen rotundum
CN V2 maxillary nerve of trigeminal nerve
47
foramen ovale
oval shaped, in line with foramen rotundum on one side and foramen spinosum in sphenoid
48
passes through foramen ovale
CN V3 mandibular nerve of trigeminal nerve
49
foramen spinosum
in line with foramen rotudum and ovale, most lateral, in sphenoid
50
passes through foramen spinosum
middle meningeal artery
51
sphenopalatine foramen
seen when looking laterally into space behind maxilla, where sphenoid and palatine bone meet
52
passes through the sphenopalatine foramen
sphenopalatine artery
53
ethmoid bone
anterior to sphenoid bone, extends inferiorly into nasal spetum
54
crista galli
sharp point that extends superiorly from cribriform plate in ethmoid bone
55
cribriform plate
area of small hole in ethmoid superior to nasal cavity
56
perpendicular plate
vertical portion of ethmoid, forms nasal septum
57
superior nasal concha
most superior bulge into nasal cavity off ethmoid bone
58
middle nasal concha
middle bulge into nasal cavity off ethmoid bone
59
inferior nasal concha
most inferior bulge into nasal cavity, its own bone
60
ethmoid sinus
opening inside ethmoid bone, on superior lateral edge of eye socket
61
zygomatic bone
bridges between temporal bone and maxilla
62
orbital surface
part of zygomatic bone that make lateral eye orbital
63
frontal process of zygomatic bone
part of zygomatic bone that extend superiorly to frontal bone, external part of lateral eye orbital
64
temporal process of zygomatic bone
create zygomatic arch by fusing with zygomatic process of the temporal bone
65
maxilla
composes anterior cheeks and upper jaw
66
frontal process of maxilla
extends superiorly to connect with frontal bone on lateral sides of nasal bone
67
infraorbital foramen
inferior to eye orbital in maxilla
68
passes through the infraorbital foramen
CN V2 infraorbital nerve of maxillary nerve of trigeminal nerve
69
zygomatic process of maxilla
extends laterally and connects to zygomatic bone
70
alveolar processes
bulges where teeth are in maxilla
71
incisive canal
opens into roof of mouth close to teeth
72
passes through incisive canal
nasopalatine nerve, sphenopalatine vessels
73
palatine process
extends posteriorly creating hard palate of mouth, part of maxilla
74
maxillary sinus
opening inside maxilla behind cheeks
75
nasal bone
small bone at bridge of nose between eyes
76
lacrimal bone
small bone in medial anterior eye orbital on either side of nose
77
lacrimal fossa
opening in lacrimal bone for lacrimal duct
78
vomer bone
inferior third of nasal septum
79
palatine bone
vertically oriented bone anterior to sphenoid bone and posterior to ethmoid and vomer
80
horizontal plate
creates posterior portion of hard palate, palatine bone
81
greater palatine foramen
larger lateral and posterior holes in horizontal plate of palatine
82
lesser palatine foramen
smaller lateral and posterior holes in horizontal plate of palatine
83
passes through greater palatine foramen
greater palatine vessels and nerve
84
passes through lesser palatine foramen
lesser palatine vessels and nerve
85
mandible
lower jaw
86
head of mandible
articular portion of condylar process
87
neck of mandible
narrowed portion of condylar process
88
mandibular notch
U shaped opening between condylar process and coronoid process
89
coronoid process
point anterior to mandibular notch
90
ramus
broad portion of mandible inferior to mandibular notch
91
angle of mandible
posterior lateral corner of mandible
92
body of mandible
portion of mandible inferior to teeth
93
mental foramen
opening in body of mandible
94
passes through mental foramen
CN V3 mental nerve of mandibular nerve of trigeminal nerve
95
mental protuberance
sharp anterior point of mandible, chin
96
alveolar crests
bulges for each tooth in mandible
97
mandibular foramen
opens on inner posterior surface of mandible, inferior alveolar nerve (branch of V3) passes into it and comes out mental foramen as mental nerve
98
passes through mandibular foramen
CN V3 inferior alveolar nerve of mandibular nerve of trigeminal nerve, sensory to teeth, exits mental foramen as mental nerve - sensory to lower lip
99
lingula
flap of bone superior to mandibular foramen
100
mylohyoid groove
groove extending inferiorly and anteriorly form mandibular foramen
101
mylohyoid line
ridge on inside of mandible
102
mental spines
spines on inside of mandible opposite mental protuberance
103
pterion
where temporal, frontal, sphenoid, and parietal bone, thin area of skull
104
pterygomaxillary fissure
crack between sphenoid and maxilla
105
pterygopalatine fossa
farther into pterygomaxillary fissure
106
sphenopalatine formane
opening in pterygopalatine fossa in pterygomaxillary fissure
107
choanae
opening posterior to horizontal plate the connect nasal cavity and mouth
108
vertex
most superior point of skull on parietal bones
109
sutures
where bones of skull have fused
110
coronal suture
posterior edge of frontal bone
111
bregma
where coronal suture meets sagittal suture
112
sagittal suture
divides left and right parietal bones
113
lambda
where sagittal suture meets lambdoidal suture
114
lambdoidal suture
superior edge of occipital bone
115
superficial temporal artery
lateral sides of head anterior to ear, branch of external coratid artery, passes over zygomatic arch
116
auriculotemporal nerve
cutaneous, anterior to ear, sensory, branch of CN V3 mandibular division of trigeminal nerve
117
temporal fascia
fascia over temporalis muscle
118
temporalis muscle
chewing, temporal bones
119
zygomatic arch
arch in cheek creates by processes of zygomatic and temporal bonea
120
dura mater
tough outermost covering around CNS, periosteal and meningeal layers, vascular
121
arachnoid membrane
avascular, deep to dura
122
arachnoid trabeculae
delicate connections between arachnoid and pia layers
123
pia mater
thinn innermost covering of CNS, vascular
124
subarachnoid space
deep to arachnoid layer, contains CSF
125
middle meningeal artery
dural artery, enters skull through foramen spinosum, extends superiorly near ear, most common cause of epidural hemorrhage, leave grooves in the skull, branch of maxillary artery
126
superior sagittal sinus
dural venous sinus that runs ant - post on top of brain
127
venous dural sinus
created by reflexion of meninges around brain, valveless, allow infection and cancer to move easily
128
lateral venous lacunae
pools lateral to superior sagittal sinus
129
arachnoid granulations
arachnoid extensions through dura to return CSF to blood via sinuses, level dents in skull
130
cerebral veins
veins on surface of brain in pia
131
falx cerebri
meningeal layer between left and right hemispheres
132
tentorium cerebelli
meningeal layer that separates posterior cranial fossa from rest of cranial cavity, roof over cerebellum
133
CN I olfactory nerve
from olfactory bulb through cribriform plate to nasal cavity, sensory
134
CN II optic nerve
passes through optic canal, sensory, optic chiasma, optic tracts
135
CN III oculomotor nerve
passes through superior orbital fissure, motor, superior medial pons, small
136
CN IV trochlear nerve
passes through superior orbital fissure, motor, dorsal lateral pons, small
137
CN V trigeminal nerve
V1 - ophthalmic through superior orbital fissure, V2 - maxillary passes through foramen rotundum, V3 - mandibular passes through foramen ovale, motor and sensory, lateral pons, large
138
CN VI abducens nerve
passes through superior orbital fissure, motor, medial boundary of pons and medulla, small
139
CN VII facial nerve
passes through internal auditory meatus and exits through stylomastoid foramen, small, lateral medulla
140
CN VIII vestibulocochlear nerve
passes through internal auditory meatus, sensory, large, lateral medulla
141
CN IX glossopharyngeal nerve
passes through jugular foramen, sensory and motor, smaller, lateral medulla
142
CN X vagus nerve
passes through jugular foramen, sensory and motor, larger, lateral medulla
143
CN XI accessory nerve
passes through jugular foramen, motor, small, lateral medulla
144
CN XII hypoglossal nerve
passes through hypoglossal foramen, motor, small branches on anterior medulla
145
internal carotid artery
passes through carotid canal, next to optic nerve on inferior brain
146
pituitary gland
hangs into sella turcica off infundibulum off hypothalamus
147
posterior cranial fossa
indentations at back of skull
148
middle cranial fossa
indentations at lateral sides of skull
149
anterior cranial fossa
indentations at front of skull
150
vertebral arteries
pass through foramen magnum
151
falx cerebelli
meningeal layer that separates left and right cerebellum
152
inferior sagittal sinus
follows inferior curve of falx cerebri
153
cranial nerve saying
on old olympic towering tops, a finn and (realy vestibulo) german viewed a hops
154
cranial nerve saying
oh, oh, oh, to touch and feel very green vegetables Ah
155
straight sinus
posterior straight edge of falx cerebri
156
confluence of sinuses
where superior sagittal, straight, occipital, and transverse sinuses meet
157
transverse sinus
run laterally from confluence of sinuses
158
sigmoid sinus
in lateral inferior floor of posterior cranial fossa
159
occipital sinus
runs inferiorly from confluence point
160
sphenoparietal sinus
follows edge of lesser wing of sphenoid, enters cavernous sinus
161
cavernous sinus
enlargement of sinus on lateral sides of sella turcica
162
superior petrosal sinus
follows anterior edge of tentorium cerebelli medially to cavernous sinus
163
inferior petrosal sinus
runs inferiorly from sphenoid bone
164
trigeminal ganglia (gSA)
before V1 / 2 / 3 split behind eye orbital, contains cells bodies of sensory cells in all three branches
165
ophthalmic artery
branch of internal carotid artery, passes through optic canal
166
diaphragma sellae
meningeal layer the keeps pituitary gland in sella turcica
167
sella turcica
hole in sphenoid bone where pituitary gland is housed
168
orbicularis oculi muscle
around orbit of the eye, shuts the eyes, facial nerve
169
orbicularis oris muscle
around mouth, shuts mouth, puckers lips, facial nerve
170
buccinator muscle
deep in anterior cheek, allows you to blow out puckered lips, buccal branch of facial nerve
171
platysma muscle
jaw to clavicle, buccal branch of facial nerve
172
CN VII facial nerve
posterior to parotid gland, 5 branches - temporal, zygomatic, buccal, marginal mandibular, cervical
173
five branches of facial nerve
temporal, zygomatic, buccal, marginal mandibular, cervical
174
parotid gland
anterior to ear, superficial to masseter
175
parotid duct
runs from parotid gland anteriorly to buccal fat pad, superficial to masseter
176
masseter muscle
origin on zygomatic arch, inserts on angle of mandible, nerve to masseter muscle of mandibular nerve (V3) of trigeminal nerve
177
supraorbital foramen
supraorbital nerve of ophthalmic nerve (V1) of trigeminal nerve, sensory to forehead and top of head
178
infraorbital foramen
infraorbital nerve of maxillary nerve (V2) of trigeminal nerve, sensory to cheeks and upper lip
179
mental foramen
mental nerve of mandibular nerve (V3) of trigeminal nerve, sensory to lower lip / jaw / sides of head
180
frontalis muscle
forehead muscle
181
occipitalis muscle
back of head
182
facial artery and vein
veins are valveless, anastamose with other side of face, runs from lacrimal area down to jaw in front of masseter, branch of internal jugular vein
183
temporalis muscle
nerve to temporal muscle of mandibular nerve (V3) of trigeminal nerve, origin on temporal bone, insertion on coronoid process
184
lateral pterygoid muscle
nerve to lateral pterygoid muscle of mandibular nerve (V3) of trigeminal nerve, origin greater wing of sphenoid, insertion TMJ and condylar process, passes deep to temporalis and masseter
185
inferior alveolar nerve
passes into mandibular foramen, become the mental nerve when exiting mental foramen, sensory
186
parts of scalp
skin, connective tissue (where cutaneous vessels are), aponeurosis (between frontalis and occipitalis), loose connective tissue (allows scalp to move), periosteum / pericranium
187
diploic veins
in cancellous bone of skull between layers of compact bone
188
emissary veins
connect superficial veins to dural sinus by passing through holes in skull
189
supraorbital margin
ridge superior to eye orbital
190
meningeal arteries
found in dural layer, create grooves on inner surface of the skull, breakage of arteries creates epidural hemorrhage
191
dural reflexions
point where meningeal layer separates from periosteal layer
192
buccinator muscle
deep around mouth, allows you to blow out of puckered lips, innervated by CN VII - facial nerve
193
orbicularis oculi muscle
around eye, innervated by CN VII - facial nerve
194
orbicularis oris muscle
around mouth, innervated by CN VII - facial nerve, allows us to pucker our lips
195
platysma muscle
jaw to clavicle, innervated by CN VII - facial nerve
196
CN VII - facial nerve branches
temporal, zygomatic, buccal, marginal mandibular, cervical, passes through parotid gland, enters skull through internal auditory meatus, exits skull through stylomastoif foramen, nerve of facial expression
197
parotid gland
anterior to ear, superficial to masseter
198
buccal fat pad
fills in cheek, superior to buccinator
199
massester muscle
attached between zygomatic arch and angle mandible, innervated by mandibular branch of trigeminal nerve (V3) which leaves the skull through foramen ovale
200
cervical nerve C2
supplies angle of mandible and neck for sensory, from ventral rami sensory branches, can have referred pain in neck from heart attack but not into face
201
facial artery
artery branch of external carotid, anterior of masseter to lateral nose, curvy
202
facial vein
branch of internal jugular vein, anterior of masseter to lateral nose, flat, valveless - can allow infection to spread via opthalmic veins into dural sinuses
203
parotid duct
superficial to massester, next to buccal branch of CN VII facial nerve, dives into buccal fat pad and muscle, enters oral cavity opposite 2 upper molar
204
danger zone on face
triangle around nose where infection can spread from facial vein into opthalmic vein into dural sinuses - making coagulation occur
205
pneumoparotid
wind-instrument players, glassblowers - air under positive pressure in oral cavity is forced up parotid duct into parotid gland, looks like air filled space on CT
206
nerve to the massester
branch of the mandibular nerve (V3) of the trigeminal nerve, passes through the mandibular notch and enters deep masseter
207
muscles of mastication
temporalis and masseter, innervated by V3 of trigeminal nerve
208
nerve to the temporalis
branch of the mandibular nerve (V3) of the trigeminal nerve
209
nerve to lateral pterygoid
branch of the mandibular nerve (V3) of the trigeminal nerve
210
mylohyoid nerve
branch off inferior alveolar nerve, passes through mylohyoid groove, innervates mylohyoid muscle and and anterior digastric
211
trigeminal motor nucleus (sVE)
group of nerve cell bodies in CNS related to nerve fiber, ex: V3 of trigeminal motor nucleus (sVE) is in the pons, V1 and V2 are sensory only so no need for connection to motor nucleus
212
facial motor nucleus (sVE)
to muscles of facial expression via CN VII - facial nerve, cell bodies in facial nucleus, at posterior junction of the pons and medulla
213
vertebral artery
passes through foramen magnum, supplies brainstem, comes together at junction of pons and medulla
214
internal carotid artery
passes through carotid canal, passes through cavernous sinus, supplies blood to eye and pituitary
215
external carotid artery
branch of internal carotid artery
216
anterior cerebral artery
branch of internal carotid artery, supplies medial surface of frontal cortex, stroke here = motor and sensory problems on opposite side of body especially in lower body / extremities
217
middle cerebral artery
branch of internal carotid artery, supplies insular cortex and lateral frontal cortex and internal capsule with nuclei, stroke here = problems with motor, speech, somatosensory on opposite side of the body, common location for embolism because they are moving fast and will take the straightest route, passes through lateral fissure
218
posterior communicating artery
branch of internal carotid artery, between internal carotid and posterior cerebral ,
219
circle of Willis
anterior cerebral artery --> anterior communicating artery --> anterior cerebral artery --> middle cerebral artery / internal carotid artery --> posterior communicating artery --> posterior cerebral artery --> posterior cerebral artery --> posterior communicating artery --> middle cerebral artery / internal carotid artery
220
posterior inferior cerebellar artery (PICA)
branch of vertebral artery, supplies lateral medulla and inferior cerebellum, stroke = lateral medullary sundrome
221
anterior inferior cerebellar artery
branch of basilar artery
222
internal auditory artery
branch of basilar artery, goes into internal auditory meatus
223
basilar artery
confluence of vertebral arteries, good place for plaque formation, supplies pons
224
superior cerebellar artery
branch of basilar artery
225
posterior cerebral artery
branch of basilar artery, passes through tentorial notch, supplies occipital lobe, stroke here = blindness on opposite side and may effect the brainstem
226
venous drainage of brain
cerebral / diploic / emissary veins --> dural venous sinuses --> internal jugular veins
227
deep cerebral venous drainage of brain
venous tributaries --> thalamostriate veins + choroidal veins --> internal cerebral vein --> great cerebral vein (of Galen) --> straight sinus
228
lateral ventricles (1&2)
located in the cerebrum, parts: anterior horn, body, posterior horn, atrium, inferior horn
229
third ventricle
separates left and right diencephalic structures like thalamus and hypothalamus
230
fourth ventricle
posterior to pons and medulla, open to subarachnoid space
231
interventricular foramen
connects lateral ventricles, anterior to fornix and thalamus
232
cerebral aqueduct
duct between third and fourth ventricles, posterior to midbrain
233
lateral foramen
opening to subarachnoid space from fourth ventricle
234
median foramen
opening to subarachnoid space from fourth ventricle
235
cistern
accumulation of CSF in subarachnoid space
236
choroid plexus
found in floor or lateral ventricles, roof of third ventricle, and posterior surface of fourth ventricle, supplied by choroidal artery from internal carotid and posterior cerebral artery - some pass through choroid fissure, fourth ventricle supplied by choroidal vessels from vertebral arteries, makes 90% of CSF, made of fenestrated endothelium and ependymal epithelium
237
CSF
clear, colorless, 1-8 cells/mL, protein 15-45mg/dL, glucose 60-80 mg/dL, recumbent pressure 50-200 mm H2O, sitting pressure 200-300 mm H2O, forms 500-700mL/24hours, renewed 3-5 times a day, 200-250 mL total
238
arachnoid villi
where CSF is reabsorbed into dural venous sinuses, driven by higher hydrostatice pressure of CSF, higher osmotic pressure of blood proteins, and active transport in arachnoid villi
239
lateral pterygoid muscle
two heads, origin on sphenoid, insertion on condylar process (TMJ), supplied by V3, muscle of mastication, runs horizontally
240
medial pterygoid muscle
origin medial lateral ptyergoid plate, inserts on medial angle of mandible, elevates mandible, supplied by V3, muscle of mastication
241
maxillary artery
passes through spenopalatine foramen, branch of external carotid artery, passes through lateral pterygoid muscle
242
temporalmandibular joint (TMJ)
head of condylar process in mandibular fossa, joint separated by articular disc
243
middle meningeal artery
branch of maxillary artery, passes through foramen spinosum, in meningeal dura
244
auriculotemporal nerve
sensory branch of V3, passes TMJ, splits around middle meningeal artery, carries postganglionic parasympathetic fibers to parotid gland
245
inferior alveolar artery
branch of maxillary artery, follows inferior alveolar nerve into mandibular foramen
246
inferior alveolar nerve
branch of V3, sensory to teeth, passes through mandibular foramen, becomes mental nerve
247
nerve to parotid gland
preganglionic fibers in CN IX (glossopharyngeal), postganglionic cell bodies in otic ganglion medial to V3 after foramen ovale, postganglionic fibers run to parotid with auriculotemporal nerve
248
mylohyoid nerve
branch of inferior alveolar nerve, motor, V3, supplies mylohyoid and ant. digastric
249
lingual nerve
branch of V3, sensory to ant. 2/3 tongue, joined by chorda tympani nerve
250
chorda tympani nerve
branch of CN VII (facial), joins lingual nerve, preganglionic parasympathetic fibers to submandibular ganglion, taste, cell bodies in geniculate ganglion, passes over TM
251
superficial temporal artery
terminal branch of maxillary artery
252
external carotid artery
large, next to internal jugular vein in neck, gives rise to internal carotid / maxillary / superficial temporal artery
253
posterior belly of digastric muscle
medial mastoid process to superior hyoid bone, supplied by CN VII (facial), 2nd pharyngeal arch
254
stylohyoid muscle
from styloid process to inferior hyoid bone, supplied by CN VII (facial), 2nd pharygneal arch
255
inferior alveolar nerve
branch of V3, sensory to teeth, passes through mandibular foramen, becomes mental nerve
256
nerve to parotid gland
preganglionic fibers in CN IX (glossopharyngeal), postganglionic cell bodies in otic ganglion medial to V3 after foramen ovale, postganglionic fibers run to parotid with auriculotemporal nerve
257
mylohyoid nerve
branch of inferior alveolar nerve, motor, V3, supplies mylohyoid and ant. digastric
258
lingual nerve
branch of V3, sensory to ant. 2/3 tongue, joined by chorda tympani nerve
259
chorda tympani nerve
branch of CN VII (facial), joins lingual nerve, preganglionic parasympathetic fibers to submandibular ganglion, taste, cell bodies in geniculate ganglion, passes over TM
260
superficial temporal artery
terminal branch of maxillary artery
261
external carotid artery
large, next to internal jugular vein in neck, gives rise to internal carotid / maxillary / superficial temporal artery
262
posterior belly of digastric muscle
medial mastoid process to superior hyoid bone, supplied by CN VII (facial), 2nd pharyngeal arch
263
stylohyoid muscle
from styloid process to inferior hyoid bone, supplied by CN VII (facial), 2nd pharygneal arch
