Anatomy Division 3 Flashcards Preview

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Flashcards in Anatomy Division 3 Deck (68)
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1
Q

path of vertebral arteries (before and after)

A

subclavian a. –> vertebral a. –> basilar a.

2
Q

path of carotid arteries (before and after)

A

subclavian a. –> common carotid a. –> internal and external carotid aa.

3
Q

arteries of the circle of wilis anterior to posterior

A
anterior cerebral
anterior communicating
internal carotid
middle cerebral
posterior communicating
posterior cerebral
basilar
vertebral
4
Q

CN pathways out of the skull

A

-Cribriform plate: CN I
-Optic canal: CN II, ophthalmic a
-Jugular foramen: Internal jugular v, CN IX, X, XI
-Superior orbital fissure
CN V1, III, IV, VI
-Foramen rotundum: CN V2
-Foramen ovale: CN V3
-Foramen spinosum: Middle meningeal a
-Hypoglossal canal: CN XII
-Foramen magnum: Spinal cord, vertebral aa

5
Q

spinal ligaments anterior to posterior

A
  • anterior longitudinal ligament
  • posterior longitudinal ligament
  • ligamentum flavum
  • interspinous ligaments
  • nuchal ligament
  • supraspinous ligament
6
Q

Atlanto-occipital joint motion

A

yes joint

7
Q

atlanto-axial joint motion

A

no joint

8
Q

cruciate ligament spans levels…

A

OC-C2

9
Q

alar ligament prevents

A

excessive rotation

10
Q

transverse ligament of the atlas spans

A

crosses over the dens of the axis

11
Q

cervical enlargement levels

A

C4-T1

12
Q

lumbosacral enlargement

A

L1-S3

13
Q

conus medullaris

A

tapering end of spinal cord

14
Q

cauda equina

A

bundle of nerve roots

15
Q

filum terminale

A

thin strand of Pia that anchors the conus medullaris

16
Q

subarachnoid space is a REAL/FALSE space

A

REAL! filled with CSF

17
Q

spinal arteries

A

anterior spinal artery and 2 posterior spinal arteries

18
Q

spinal veins

A

3 anterior and 3 posterior veins

19
Q

levator palpebrae superioris m.

A

O: lesser wing of sphenoid
I: skin of superior eyelid
A: elevates superior eyelid
I: oculomotor n. (CN3)

20
Q

superior rectus m.

A

elevates, adducts, and medially rotates eye

CN3

21
Q

inferior rectus m.

A

depresses, adducts, and lateral rotation

CN3

22
Q

medial rectus m.

A

adducts eye

CN3

23
Q

lateral rectus m.

A

abducts eye

CN6

24
Q

superior oblique m.

A

abducts, depresses, medially rotates eye

CN4

25
Q

inferior oblique m.

A

abducts, elevates, laterally rotates eye

CN3

26
Q

intrinsic back muscles are innervated by…

A

dorsal primary rami

27
Q

splenius m.

A

O: nuchal ligament and SP of C7-T6
I: mastoid (splenius capitis) and TP of C1-C4 (splenius cervicis)
A: unilateral ipsilateral neck flexion/rotation and bilateral neck extension

28
Q

erector spinal mm.
iliocostalis (lateral)
longissimus
spinalis(medial)

A

O: share inferior tendon from iliac crest, sacrum, and SP of lumbar vertebrae
A: unilateral lateral flexion and bilateral extension

29
Q

transversospinales mm. location

A

fibers run from TP to SP of superior vertebrae

30
Q

semispinalis m.

A

O: TP C4-T10
I: SPs
A: extension and contralateral rotation
has wapitis, cervicis, thoracic

31
Q

multifidus m.

A

O: sacrum and TPs of C4-L5
I: SPs
A: stabilizes vertebrae and contralateral rotation

32
Q

rotatores mm.

A

O: TPs
I: SPs and lamina
A: stabilize vertebrae, local extension and rotation

33
Q

interspinales mm.

A

connect SP of adjacent vertebrae in C and L

A: ext. and rotation

34
Q

intertransversarii mm.

A

connect TP of adjacent vertebrae in C and L

A: stabilize and lateral flexion

35
Q

lavatories costarum mm.

A

O: TP of C7-T11
I: rib
A: elevates rib, lateral flexion

36
Q

rectus capitis posterior major m.

A

SP of C2 to lateral inferior nuchal line

37
Q

obliques capitis superior m.

A

Tp of C1 to between superior and inferior nuchal lines

38
Q

obliques capitis inferior m.

A

SP of C2 to TP of C1

39
Q

contents of sub occipital triangle

A

vertebral a. and suboccipital n.

40
Q

buccinator m.

A

keeps food off cheek while chewing

runs transverse

41
Q

branches of the facial nerve (hand on face)

A
  1. temporal
  2. zygomatic
  3. buccal
  4. marginal mandibular
  5. cervical
42
Q

temporalis m.

A

O: frontal, parietal, temporal bones and sphenoid
I: coronoid process of ramus of mandible
A: elevates and retracts mandible
I: CN5

43
Q

masseter m.

A

O: zygomatic process of maxilla, zygomatic arch
I: angle and lateral surface of mandibular ramus
A: elevates and protrudes raw
I: CN5

44
Q

lateral pterygoid m.

A

O: sphenoid and lateral surface of pterygoid plate
I: disc of TMJ and condyloid precess
A: protrusion, depression, and unilateral= jaw swimg

45
Q

medial pterygoid m.

A

O: medial surface of lateral pterygoid plate
I: medial surface of ramus of mandible
A: elevates mandible, protrudes jaw, unilateral = small grinding movements

46
Q

lateral ligament of TMJ prevents..

A

posterior dislocation

47
Q

sternocleidomastoid m.

A

O: mastoid process and lateral superior nuchal line
I: manubrium, middle 1//3 of clavicle
A: extension or flexion (bilaterally) and unilateral head tilt or contralateral head rotation (unilateral)
I: accessory n. (CN11)

48
Q

cervical plexus levels

A

C1-C4

49
Q

nerve point of the neck

A

start at 10 o’clock and clcokwise

  • lesser occipital n.
  • great auricular n.
  • transverse cervical n.
  • supraclavicular n.
50
Q

lateral cervical region contents

A
  • CN 11
  • occipital a.
  • subclavian a.
  • subclavian v.
  • brachial plexus roots
51
Q

subclavian a.(3 parts)

A
  1. vertebral a., thyrocervical trunk, internal thoracic a.
  2. costocervical trunk
  3. dorsal scapular a.
52
Q

suprahyoid mm.

A

supports and elevates hyoid

  • mylohyoid
  • geniohyoid
  • omohyoid
  • thyrohyoid
  • sternothyroid
53
Q

vagus nerve travels down with…

A

internal jugular v. and common carotid a. in carotid sheath

54
Q

longus colli mm.

A

A: flexes neck
I: anterior rami of C

55
Q

longus capitis mm.

A

crosses AO joint,
A: flexes head
I: anterior rami of C

56
Q

scalenes

A

O: C3-C7
I: first rib (anterior and middle) and 2nd rib (posterior scalene)
A: flexes neck laterally
I: anterior rami of C

57
Q

sternal angle is at the level of

A

T4 and 2nd costal cartilage

58
Q

external intercostal mm.

A

elevates ribs
pockets direction
intercostal n.

59
Q

internal intercostal mm.

A

interosseous part = depresses ribs, innermost
interchondral part = elevates ribs
intercostal n.

60
Q

levator costarum m.

A

O: TP of T7-T11
I: near rib angle
A: elevates ribs
I: posterior primary rami

61
Q

transversus thoracis mm.

A

O: sternal body
I: costal cartilages 2-6
A: depresses ribs
I: intercostal n.

62
Q

external oblique m.

A

O: ribs 5-12
I: iliac crest, linea alba, pubic tubercle
A: trunk flexion, contralateral rotation, support abdominal viscera
I: ventral primary rami

63
Q

internal oblique m.

A

O: thoracolumbar fascia, iliac crest
I: ribs 10-12, linea alba, pubis
A: trunk flexion, ipsilateral rotation
I: ventral primary rami

64
Q

transversus abdominis m.

A

O: thoracolumbar fascia and iliac crest
I: linea alba, pubis
A: compress and support abdominal viscera
I: ventral primary rami

65
Q

rectus abdominis m.

A

O: pubic symphysis and crest
I: xiphoid process and costal cartilage
A: flexes trunk, stabilizes pelvis, compresses viscera
I: ventral primary rami

66
Q

quadrates lumborum m.

A

O: 12th rib and TP of lumbar vertebrae
I: iliac crest
A: extension and lateral flexion
I: anterior rami

67
Q

coccyges m.

A

O: ischial spine
I: inferior sacrum

68
Q

levator ani mm. (3)

A
  • puborectalis
  • pubococcygeus
  • iliococcygeus