Anatomy Year 2 Term 1 > innervation > Flashcards

innervation Flashcards

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1
Q

sternohyoid

A

anterior rami of C1 – C3

through the ansa cervicalis of the cervical plexus

depresses the hyoid

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2
Q

lateral rectus

A

6 abducens nerve

abduction

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3
Q

quadratous lumborum

A

T12- L4

Extension and lateral flexion of the verebral column

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4
Q

Lacrimal gland

A

facial nerve - 7

(lacrimal gland is on lateral side of eye)

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5
Q

internal abominal oblique

A

T7-T12

bi-lateral : compresses the abdominal contents, flexion of trunk

unilateral : ipsilateral rotation of torso, ipsilateral flexion

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6
Q

What passes throught the foramen rotundum

A

maxillary nerve V2

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7
Q

nerve supply to the trapezius

A

accessory nerve

  • Abduction of the upper limb at the shoulder (by rotating the scapula).
  • The upper fibres of trapezius also elevate the scapula,
  • the middle fibres retract,
  • the lower fibres depress.
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8
Q

lateral ptergoid

A

V3

Bilateral contraction - Protraction of manidble

Unilateral contraction - side to side (with medial ptergoid)

Origin - lateral surface of lateral ptergoid plate

Insertion - neck of mandible

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9
Q

medial ptergoid

A

V3

elevation of the mandible

origin : medial aspect of lateral pterogid plate

insertion : angle of manidble

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10
Q

genioglossus

A

cranial nerve 12

protrusion of the tongue

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11
Q

mylohyoid

A

V3

elevates the hyoid bone

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12
Q

what nerve passes through the mandibular foramen (inside of mandible)

A

inferior alevolar nerve (branch of V3)

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13
Q

what are the actions of the quadratus luborum

A
  • lateral flexion of the trunk (unilateral)

bilateral - extension of the trunk / forced experation

T12- L4

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14
Q

how is the ascending colon peritonised and what artery supplys in

A

retroperitoneal

SMA - right colic

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15
Q

internal abdominal oblique

A

T7-T12

ipsilaeral rotation - unilateral

flexion of trunk./compress abdominal content - bilateral

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16
Q

what foramen does the maxillary (V2) nerve pass through

A

foramen rotundum!!

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17
Q

branches of coeliac trunk

A

left gastric
splenic
common hepatic artery

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18
Q

what passest through the superior orbital fissue?

A

Cranial nerves

3, 4, 6

V1

opthalamic veins

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19
Q

what sits in the sella turCICA?

A

pituitary gland

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20
Q

lateral pterygoid innervation

A

V3***

division of CN5

protrusion of manidible

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21
Q

superficial epigastric artery is a branch of

A

the common femoral artery

(inferior epigastric is a branch of the external iliac)

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22
Q

geniohyoid

A

C1

elevates hyoid bone

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23
Q

what structure covers the top of pituitary gland

A

diaphragma sellae

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24
Q
A

falx - cerebri -> cristae galli

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25
mylohyoid innervation
inferior alveolar nerve V3 elvates the hyoid
26
lateral ptergoid
27
hepatic veins IVC labelled
28
transverse abdominus
T7-T12 + L1 Bilateral contraction - Compresses abdominal viscera, expiration Unilateral contraction - Trunk rotation (ipsilateral)
29
iliacus muscle
Femoral nerve L2-L4 flexion and lateral rotation of the thigh at the hip
30
stapdeius
facial nerve prevents stapedius tapping on oval window dampens vibrations
31
tensor tympani innervation
V3 tensing the tympanic membrane and damping vibration in the ear ossicles
32
submandibular gland has what kind of cells
mixed serous and mucous glands
33
the arcuate lines marks the ending of what
posterior layer of rectus sheath
34
level of inferior mesenteric artery
L3
35
function of iliacus muscle
flexion of thigh rotation of the thigh at the hip femoral nerve L2-L4
36
genito-femoral nerve
L1-L2
37
how are the kidneys peritonised
retroperitoneal (sadpucker)
38
how is the duodenum pertionised
retroperitoneal (Except for the first 2cm)
39
ileum peyers patches
40
Glossopharyngeal nerve (parotid gland micrograph shown) - serous - dark staining glands
41
oesophagus C6
42
Condylar process of mandible; synovial *condylar + synovial hinge *@ temporomandibular joint fibrocartilaginous****
43
submanidibular ducts
44
what type of glands does the submanibdular gland have
mixed serous and mucous
45
Right sternal edge 2nd intercostal space (aortic valve labelled) aortic valve labelled
46
Ligamentum flavum
47
left primary bronchus
48
what level does CCA bifurcate?
C4
49
hypothalamus
50
falx CEREBELLI
51
posterior horn of LV
52
cricothyroid
superior laryngeal nerve
53
sternohyoid
c1 - c3 anterior rami ansa cervicalis of cervical plexus
54
buccinator
pulls cheek inwards towards teeth facial nerve - buccal branches
55
digastric
anterior - V3 posterior - CN7 depresses mandible elevates hyoid bone
56
omohyoid
C1- C3 anasa cervicalis depresses the hyoid bone
57
masseter muscle
V3 elevates and protrudes manible
58
temporalis muscle
V3 elevation of mandible - closing mouth (anterior fibres) posterior - retraction of manidble - moving jaw backwards
59
rectus abdominus
t7-t11 compresses abdomina content depresses ribs
60
zygomaticus major
elevates and everts the angle of the mouth Facial nereve
61
orbicularis occuli
orbital part - tightly closes eye palpebral - closes eye facial nerve
62
orbicularis oris
facial nerve closes mouth , purses lips
63
occipitofrontalis
occipital - retracts scalp frontalis - elevates eyebrows and wrinkles forehead facial nerve
64
platysma
facial nerve depresses mandible and angles of mouth tenses skin of lower face and anterior neck
65
innervation of carotid body
senses 02 levels - CN9 increaase RR, HR
66
innervation of carotid sinus
9 and 10!! detects pressure
Anatomy Year 2 Term 1
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