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T2 - GA II. Unit 1 > Cervical triangles & Contents > Flashcards

Cervical triangles & Contents Flashcards

no notes on the arteries in this section notes up to S33 (done at corner bakery)

1
Q

The cervical plexus is formed from ____

A

VR of C1-C4

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2
Q

The cervical plexus runs in relation to the _____V.

A

internal Jugular V.

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3
Q

Name the 4 Sensory branches of the cervical plexus

A

lesser occipital
greater auricle
transverse cervical
supraclavicular

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4
Q

Root of the lesser occipital

A

C2

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5
Q

What does the lesser occipital N. (C2) innervate

A

skin of the neck and scalp (post./ sup) to the auricle

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6
Q

Sensory innervation for the skin of the neck and scalp (post./ sup) to the auricle ?

A

Lesser occipital (C2)

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7
Q

Sensory innervation that supplies the skin over the parotid gland

A

Greater auricle (C2,C3)

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8
Q

Sensory innervation of the skin over the mastoid process

A

Greater auricle (C2,C3)

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9
Q

Sensory innervation for the skin over the auricle

A

Greater auricle (C2,C3)

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10
Q

Sensory innervation for the skin extending from the mandible to the mastoid process

A

Greater auricle (C2,C3)

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11
Q

Branch of the cervical plexu that arises from the anterior rami of C3-C4

A

Supraclavicular N

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12
Q

Sensory innervation of the clavicle and over the shoulder

A

Supraclavicular N (C3-C4)

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13
Q

Nerve root of the supraclavicular N

A

C3,C4

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14
Q

Nerve root of the great auricle

A

C2,C3

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15
Q

Nerve root of the transverse cervical

A

C2,C3

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16
Q

Sensory innervation of the anterior cervical region

A

Transverse cervicle

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17
Q

Root of the motor innervation for the SCM from the cervical plexus

A

C2,C3

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18
Q

Root of the motor innervation for the Levator Scap

A

C3,C4

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19
Q

Root of the motor innervation of the trapezius from the cervical plexus

A

C3,C4

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20
Q

What muscles make up the infrahyoid muscles (4)

A
  1. thyroid
  2. omohyoid
  3. Sternohyoid
  4. Sternothyroid
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21
Q

Motor innervation to the infrahyoid muscles

A

ansa cervicalis (C1-C3)

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22
Q

Motor innervation to the thyrohoid

A

Ansa Cervicalis (C1-C3)

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23
Q

Motor innervation to the omohyoid

A

ansa cervicalis (C1-C3)

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24
Q

Motor innervation to the sternohyoid

A

ansa cervicalis (C1-C3)

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25
Motor innervation to the sternothyroid
Ansa Cervicalis (C1-C3)
26
What two roots make up the ansa cervicalis
``` Superior root (C1) Inferior root (C2,C3) ```
27
branch from C1 that joins the hypoglossal N and then separates to form the _____
superior root
28
Branch from C1 joins the ______ N and then separates to form the superior root that later forms the ____
hypoglossal N Ansa Cervicalis
29
The inferior root is made up of the descending cervical N which carries ___ &___
C2, C3
30
The phrenic arises from ____
C3,C4,C5 (keep the diaphragm alive)
31
Nerve innervation of the platysma M
Facial N (CN 7)
32
Nerve innervation for the SCM
``` Accessory N (CN 11) C2,C3 ```
33
Nerve innervation for the ant. Scalene
VR. C4-C6
34
Nerve innervation for the middle scalene
C3-C8
35
Nerve innervation for the posterior scalene
VR of C6-C8
36
Action of the platysma M
depresses mandible draws lower lip & angle of mouth
37
Action of the SCM
Bilat: EXTENDS head at the atlanto-occipital joint Unilat: bends the neck Ipsi: rotates head contralaterally
38
Which scalene also rotates the neck
ant. scalene
39
Which scalene elevates Rib 2
Posterior scalene
40
Origin of the Anterior scalene
TP of C3-C6
41
Origin of Middle scalane
TP C2-C7
42
Origin of the Post. scalene
C4-C6
43
Boundaries of the posterior triangle
Ant- SCM post- Trap Inf- middle 1/3rd of the clavicle
44
4 art. that run through the post. triangle
subclavian superficial (transverse cervical \) Suprascapular Occipital art
45
2 veins that run through the post triangle
ext. jugular | subclavial v
46
3 nerves that run through the post. triangle
brachial plexus cervical plexus CN 11 accessory
47
What are the two subdivision (triangles) within the post. triangle
occipital triangle & SUBclavicular triangle
48
Boundaries of the occipital triangle
SCM Inf. belly of the omohyoid Trap
49
Boundaries of the subclavicular triangle
SCM inf. belly of the omohyoid middle third of the clavicle
50
origin of the platysma M
deep fascia covering the pec major and deltoid M
51
Insertion of the platysma M
Lower margin of the mandible
52
Origin of the SCM
Manibrium | medial 1/3rd of the clavicle
53
Insertion of the SCM
mastoid process
54
What 4 muscles make up the suprahoid muscle group
mylohoid geniohyoid stylohyoid digastric
55
Origin of digastric
posterior belly: mastoid process Insertion: anterior belly- digastric fossa of the mandible
56
Insertion of the digastric M
Anterir belly: digastric fossa of the mandible | Origin: post belly- mastoid process
57
Action of the digastric M
chewing- depresses the mandible Swallowing- elevates the hyoid bone
58
Innervation of the digastric M
Post belly- Facial N Ant belly- N. to mylohoid
59
origin of the Stylohyoid M
styloid process insertion: hyoid bone at the jxn of the body and greater cornu
60
Insertion of the stylohoid M
hyoid bone at the jxn of the body and greater cornu Origin: styloid process
61
Action of the stylohoid M
Elevates the hyoid bone
62
Innervation of the stylohoid M
facial N
63
Origin of the mylohoid M
Myolohyoid line of the mandible insertion: Hyoid bone, raphe
64
Insertion of the myohoid M
Post: hyoid Ant: raphe, that extends from symphysis menti to the body of the hyoid origin myohoid line of the mandible
65
Action of the myohoid M
elevates hyoid when mandible is fixed depresses mandible when hyoid is fixed
66
Innervation of the myohoid M
myohyoid N (a branch of the inferior alveolar N )
67
Myohoid N is a branch of the _____N
inferior alveolar N
68
Origin of the geniohyoid M
Inf. Mental spine of the mandible insertion: hyoid bone
69
Insertion of the geniohyoid M
hyoid bone Origin: inferior mental spine of the mandible
70
Action of the geniohyoid M
Fixed mandible: elevates and pulls forward the hyoid Fixed hyoid: depresses mandible
71
Innervation of the geniohyoid M
Ant. ramus of C1 | C1 is carried by the hypoglossal N
72
4 muscles that make up the infrahyoid Muscle group
omohyoid sternohyoid sterothyroid thyrohyoid
73
_____ is carried by the hypoglossal N
C1
74
______M has 2 belles that is connected by an intermediate tendon deep to the SCM
Omohyoid M
75
Origin of the omohyoid M
inferior belly: scapula & Suprascapular lig Insertion: superir belly- hyoid bone intermediate tendon- help by a lopp of fascia that slings the tendon to the clavicle and 1st rib
76
Action of the omohyoid M
depresses hyoid
77
Innervation of the omohyoid M
ansa cervicalis (C1-C3)
78
Origin of the sternohyoid M
Posterior surface of the manubrium sterni & clavicle insertion: hyoid
79
insertion of the sternohyoid M
hyoid Origin: manubrium sterni & clavicle
80
action of the sternohyoid M
depresses hyoid
81
innervation of the sternohyoid M
ansa cervicalis (C1-C3)
82
Origin of the sternothyroid M
posterior surface of the manubrium sterni & clavicle Insertion: thyroid cartilage
83
insertion of the sternothyroid M
thyroid cartilage origin: posterior surface of the manubrium sterni & clavicle
84
Action of the sternothyroid
depression of the larynx
85
Innervation of the sternothyroid M
Ansa Cervicalis (C1-C3)
86
Origin of the Thyrohyoid M
thyroid Cartilage insertion: hyoid
87
Insertion of the thyrohyoid M
Hyoid origin: thyroid cartilage
88
Action of the thyrohyoid
depresses hyoid elevates larynx
89
Innervation of the thyrohyoid M
C1 (through the hypoglossa N )
90
Action of the geniohyoid M
Fixed mandible: elevates and pulls forward the hyoid Fixed hyoid: depresses mandible
91
Innervation of the geniohyoid M
Ant. ramus of C1 | C1 is carried by the hypoglossal N
92
Innervation of the geniohyoid M
Ant. ramus of C1 | C1 is carried by the hypoglossal N
93
_____ is carried by the hypoglossal N
C1
94
_____ is carried by the hypoglossal N
C1
95
4 muscles that make up the infrahyoid Muscle group
omohyoid sternohyoid sterothyroid thyrohyoid
96
4 muscles that make up the infrahyoid Muscle group
omohyoid sternohyoid sterothyroid thyrohyoid
97
______M has 2 belles that is connected by an intermediate tendon deep to the SCM
Omohyoid M
98
______M has 2 belles that is connected by an intermediate tendon deep to the SCM
Omohyoid M
99
Origin of the omohyoid M
inferior belly: scapula & Suprascapular lig Insertion: superir belly- hyoid bone intermediate tendon- help by a lopp of fascia that slings the tendon to the clavicle and 1st rib
100
Origin of the omohyoid M
inferior belly: scapula & Suprascapular lig Insertion: superir belly- hyoid bone intermediate tendon- help by a lopp of fascia that slings the tendon to the clavicle and 1st rib
101
Action of the omohyoid M
depresses hyoid
102
Action of the omohyoid M
depresses hyoid
103
Innervation of the omohyoid M
ansa cervicalis (C1-C3)
104
Innervation of the omohyoid M
ansa cervicalis (C1-C3)
105
Origin of the sternohyoid M
Posterior surface of the manubrium sterni & clavicle insertion: hyoid
106
Origin of the sternohyoid M
Posterior surface of the manubrium sterni & clavicle insertion: hyoid
107
insertion of the sternohyoid M
hyoid Origin: manubrium sterni & clavicle
108
insertion of the sternohyoid M
hyoid Origin: manubrium sterni & clavicle
109
action of the sternohyoid M
depresses hyoid
110
action of the sternohyoid M
depresses hyoid
111
innervation of the sternohyoid M
ansa cervicalis (C1-C3)
112
innervation of the sternohyoid M
ansa cervicalis (C1-C3)
113
Origin of the sternothyroid M
posterior surface of the manubrium sterni & clavicle Insertion: thyroid cartilage
114
Origin of the sternothyroid M
posterior surface of the manubrium sterni & clavicle Insertion: thyroid cartilage
115
insertion of the sternothyroid M
thyroid cartilage origin: posterior surface of the manubrium sterni & clavicle
116
insertion of the sternothyroid M
thyroid cartilage origin: posterior surface of the manubrium sterni & clavicle
117
Action of the sternothyroid
depression of the larynx
118
Action of the sternothyroid
depression of the larynx
119
Innervation of the sternothyroid M
Ansa Cervicalis (C1-C3)
120
Innervation of the sternothyroid M
Ansa Cervicalis (C1-C3)
121
Origin of the Thyrohyoid M
thyroid Cartilage insertion: hyoid
122
Origin of the Thyrohyoid M
thyroid Cartilage insertion: hyoid
123
Insertion of the thyrohyoid M
Hyoid origin: thyroid cartilage
124
Insertion of the thyrohyoid M
Hyoid origin: thyroid cartilage
125
Action of the thyrohyoid
depresses hyoid elevates larynx
126
Action of the thyrohyoid
depresses hyoid elevates larynx
127
Innervation of the thyrohyoid M
C1 (through the hypoglossa N )
128
Innervation of the thyrohyoid M
C1 (through the hypoglossa N )
129
Nerve root of the greater occipital N
DR C2
130
______ N innervates the scalp at the top of the head, over the ear and over the parotid glands.
Greater occipital DR C2
131
Where does the Greater occipital N exit from ?
suboccipital triangle - then through the trap
132
name the boundaries of the anterior triangle
anterior: midline of the neck Posterior: SCM Superior: Lower margin of the mandible
133
What two muscles can subdivide the anterior triangle
omohyoid | digastric
134
Boundaries of the carotid triangle
Medial: omohyoid Lateral: SCM Superior: posterior digastric
135
Name the A & V that go through the carotid triangle
common carotid art External carotid art Internal common carotid
136
Name the nerves that pass through the carotid triangle
internal & external laryngeal N glossopharyngeal (IX) Vagus (X) Accessory (XI)
137
Structure that is housed in the carotid triangle
lymph nodes
138
Boundaries of the muscular triangle
Medial: midline of the neck Inferior: SCM Superior: superior belly of omohyoid
139
Muscles that reside in the muscular triangle
sternohyoid | Sternothyroid
140
Structures that reside in the muscular triangle
thyroid gland larynx trachea esophagus
141
Nerve that passes through the Muscular triangle
Recurrent laryngeal N
142
Boundaries of the submental Triangle
medial: midline of the neck Lateral: ant belly of the digastric Inf: Hyoid Bone
143
Contents within the submental Triangle
lymph nodes anterior jugular V (begins here)
144
The anterior jugular V begins in the ____ triangle
submental
145
Boundaries of the digastric triangle
Medial: anterior digastric Lateral: posterior digastric Superior: mandible
146
What glands goes the digastric house
parotid gland | Submandibular gland
147
What nerves pass through the digastric Triangle
hypoglossal (XII) vagus (X) glossopharyngeal (IX) mylohoid (innervates the ant. belly)
148
What structures reside in the digastric triangle
styloid | lymph node
149
Root of the transverse cervical N
C2,3
150
Root of the supraclavicular N
C3,4
151
O & I of the platysma
O: deep fascia covering the pec major and deltoid M I: Lower margin of the body of the mandible
152
Nerve supply to the platysma
cervical branch of the facial nerve
153
Action of the platysma
depresses mandible | draws the lower lip and angle of the mouth
154
Name the three motor branches of the cervical pplexus
``` ansa cervicalis (C1--C3) phrenic C3,C4,C5 Segmental branches (C1-C4) ```
155
motor innervation for the geniohyoid
ansa cervicalis (C1)
156
Motor innervation for the thryohyoid
ansa cervicalis (C1)
157
Motor innercation for the sternothyroid
ansa cervicalis
158
Motor innercation for the sternothyroid
ansa cervicalis (C1-C3)
159
Motor innercation for the omohyoid
ansa cervicalis (C1-C3)
160
ansa cervicalis is a branch off the _____
cervical plexus | C1-C3
161
roots of the ansa cervicalis
C1-C3
162
anterior and middle scalenes are innervated by the ______
segmental branches (C1-C4) - motor nerves of the cervical plexus
163
segmental branches of the cervical plexus innervate _________ and are motor/sensory?
anterior and middle scalane motor
164
__N. path is btw the semispinalis and spenalus capitus
greater occipital (C2)
165
__N path goes along the posterior border of the SCM
Lesser occipital (C2)
166
_______ N accompanies the external jugular V
greater auricular (C2,3)
167
the greater auricular N accompanies the ______
external jugular V
168
_______ N crosses the SCM
transverse cervical (C2,3)
169
_____ V drains the scalp and side of the face
External jugular V
170
_____ V starts at the angle of the mandible and the union of the posterior auricular vein
external jugular V
171
Retromandibular V & posterior auricular V joing to form the _____
external jugular V
172
external jugular v drains into the ______
subclavian V
173
_______ V drains into the EJV above the suprasternal notch. Have to watch out for it when doing a trachiotomy
anterior jugular V
174
_____ divides the neck into anterior and posterior triangles
SCM
175
N supply to the SCM
Accessory N | C2,C3
176
Brachial plexus is formed by _____ rami
ventral rami of C5-T1
177
Btw what two muscles is the brachial plexus
anterior and middle scalene
178
the brachial plexus is covered by the _____
axillary sheath
179
two roots that come off of the brachial plexus
1. dorsal scapular | 2. long thoracic N
180
cc. baby comes out arm first and there is a lesion to the lower trunk of the brachial plexus . Name of condition
Klumke palsy - affects ulnar N & median "Claw hand deformity"
181
C.c. dr. pulls babys head to hard during deformity and causes a lesion to the upper trunk of the brachial plexus . Condition name
Erb's duchenne palsy affects supraspinatus --> IR , no arm flexion "waiters tip position"

T2 - GA II. Unit 1 (9 decks)

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