Thoracic wall Flashcards Preview

MedAnatomy > Thoracic wall > Flashcards

Flashcards in Thoracic wall Deck (108):
1

thoracic wall framework

thoracic cage

2

posterior boundary of thorax

thoracic part of verteb column

3

anterior boundary of thorax

sternum and costal cartilage

4

lateral boundary of thoras

ribs and intercostal cartilage

5

superior border of thorax

suprapleural membrane

6

inferior border of thorax

diaphragm

7

sternum is divided into 3 parts

manubrium
body
xiphoid

8

manubrium articulates with body at what

manubriosternal joint

9

manubriosternal joint found at what level

T3-4 vertabra

10

manubrium articulates with what

body
clavicle
1st costal cartialge
upper of 2nd costal

11

body articulates with xiphoid at what

xiphisternal joint

12

xiphisternal joint found at what level

T9

13

found at each side of body of sternum

2nd to 7th costal cartialge

14

no ribs or cartilage attached to it

xiphoid process

15

formed by the articulation of the ,anubrium and body

angle of Louis (sternal angle)

16

this lies at the level of the 2nd costal cartilage

transverse ridge

17

sternal ngle found at what level

between T4-5 vertebra

18

alin ang true ribs

1-7

19

alin ang false ribs

8 9 10

20

alin ang floating ribs

11 12

21

aling part ng rib ang sharp and thin

inferior border

22

aling part ng rib ang rounded and smooth

superior border

23

itsura ng typical rib

long, twisted flat bone

24

part of the ribs that accomodates the intercostal nerves and vessels

costal groove

25

parts of ribs

head
neck
tubercle
shaft
angle

26

saan ang costal groove taas o baba

baba border

27

alin ang dumidikit sa vertebra

head ng rib

28

clinical importance of 1st rib

close to subclavians

29

what crosses anterior to scalenus anterior

subcla vein

30

what crosses posterior to scalenus anterior

subclav artery and lower trunk for bachial plxus

31

cartilages of 11 and 12 rib end in

abdominal musculature

32

in old age, costal cartilages lose elasticity due to

superficial calcification

33

connects rib head to intervertebral disc

intraarticular ligament

34

articulates via transverse process of the corresponding vertebra

tubercle

35

articulate with one another along their borders by small synovial joints

6-10th costal

36

joint type of sternoclavicular joint

synovial double plane joint

37

articular disc of the sternoclav joint

flat fibrocartilaginous disc

38

accesory ligaments of the sternoclav joint

costoclavicular ligament

39

this is formed from junction of 1st rib with the 1st costal to the inferior surface of sternal end of clavicle

costoclavicular ligament

40

nerve supply to sternoclav joint

supraclav nerve and nerve to subclavius

41

lies opposite the lower border of T2 vertebra and felt between prominent medial ends of clavicles

suprasternal notch

42

this rib lies deep to the clavicle and cannot be palapted

1st rib

43

can be used to identify a particular rib by counting from below

12th rib

44

position of nipples in male

4th intercostal space, 4 inches from midline

45

vertebra prominens

C7

46

line drawn bet. sternal border and midclav line

parasternal line

47

vertical line along transverse processes

paraverterbral line

48

origin of intercostal muscles

inferior border of rib

49

insertion of intercostal muscles

super border of rib below

50

innervation of intercostal muscles

intecostal nerves

51

origin and insertion of innermost intercostal muscle

adjacent rib

52

action of ext. intercostal muscle

raises rib during inspi
increases diameter bsajfkdfbjdhfjaljgksd

53

action of internal intercost muscles

lowers rib during expi

54

action of innermost intercost muscles

assist inter and external intercost

55

origin of diaphragm

xiphoid process
lower 6 costal cartilages
1st 3 lumbar vertebrae

56

insertion of diaphragm

central tendon

57

action of diaphragm

muscle of inspi
increase diameter of thorax
raises lower ribs

58

origin of levatores costarum

tip of transverse process of C7 T1-11

59

insertion of levatores costarum

rib below

60

action of levatores costarum

raises rib
inspi msucles

61

origin of serratus posterior superior

lower cervical and upper thoracic spines

62

insertion of srratus posterior superior

upper ribs

63

origin of serratus posterior inferior

upper lumbar and lower thoracic spines

64

insertion of serratus posterior inferior

lower ribs

65

contained within the intercostal space

innermost, internal and external intercostal muscles

66

lines the innermost intercostal muscle, lined internally by the parietal pleura

endothoracic fascia

67

arrangement of neurovascular structures above to below

vein
artery
nerve

(VAN)

68

saang nagrrun ung VAN

between intermediate and deepest layers muscles

69

the intercostal muscles are replaced by the corresponding

anterior or posterior intercostal membrane

70

the innermsost intercostal muscle corresponds to th

transversus abdominis muscle

71

this rib is fixed during inspiration

1st, fixed by scalenus anterior

72

this rib is fixed during expiration

12th, fixed by quadratus lumborum and oblique muscles

73

supplies the first 2 posterior intercostal spaces

costocervical trunk of subclaian artey

74

supplies the first 6 anterior spaces

internal thoracic artery

75

supplies the lower 9 posterior spaces (3-12)

descending thoracic aorta

76

supplies the lower 6 anterior spaces

musculophrenic (7-9)
superior epigastric artery (10-12)

77

posterior intercost veins drain into

azygous or hemiazygous veins

78

anterior intercost veins drain into

internal thoracic and musculophrenic vein

79

1st posterior intercostal vein drains into

vertebral or brachiocephalic vein

80

2-3rd posterior intercostal vein drains unite to form

superior intercostal vein

81

4th-11th posterior intercostal veins drain into

azygous (right side)
hemiazygous (left side)

82

1-3rd anterior intercostal drain into

internal thoracic vein

83

4-9th anterior intercostal drain into

musculophernic vein

84

joins with the superior epigastric vein to drain into internal thoracic vein at 3rd space

musculophrenic vein

85

musculophrenic vein joins the _____________ to drain into ______ at ______________

superior epigastric vein
internal thoracic vein
3rd intercostal space

86

3 fibers of the intercotal nerves

motor
sensory
sympathetic

87

san galing intercostal nerves

anterior rami of 1st 11 thoracic spinal nerves

88

comes from the anterior ramus of the 12th thoracic nerve

subcostal nerve

89

saan pwesto ng subcostal nerve

lies in abdomen
runs forward in abdominal wall

90

sensory fibers innervate the

parietal pleura
cutaneous areas

91

sympahetic fibers innervates the

smooth muscles around blood vessels
secretory fibers to glands in the skin

92

intercost nerves enters thru or where

enters intercostal space in subcostal groove between innermost intercostal and internal intercostal

93

where are first 6 nerves distributed

intercostal spaces

94

where are 7-9th nerves distributed

leave the angterior ends of the spaces by passing deep to costal cartilages and enters abdominal wall

95

where the 10-11th merves distributed

pass directly into abdominal wall

96

branches of the intercostal nerves

rami communicantes
collateral branch
lateral cutaneous
anterior cutaneous
muscujlar branches
pleural sensory
peritoneal sensory

97

connects intercostl nerves to a ganglion of sympathetic trunk

rami communicantes

gray ramus joins balakakfkas

98

runs forward inferiorly to main nerve on upper border of rib below

collateral branch

99

reaches skin on side of the chest

lateral cutaneous

100

terminal protion of the main trunk, reaches skin near midline

anterior cutaneous

101

nerve that runs to the intercostal muscles

muscular branch

102

nerves that goes to the parietal pleura

pleural sensory

103

nerves tht go to the peritoneal pleura

peritoneal sensory

104

the peritoneal sensory nerves include only the

7-11th intercostal nerves only

105

the 1st intercostal nerve is joined to _____________ by a large branch equal to lateral cutaneous branch of typical intercostal nerves

brachial plexus

106

joined to brachial plexus by a large branch equal to lateral cutaneous branch of typical intercostal nerves

1st intercostal nerve

107

2nd intercostal nerve is joined to _____________ via the ________________

medial cutaneous
intercostobrachial nerves

108

thoracic wall nerve that supplies the skin of the armpit and upper medial side of the arm

2nd intercostal nerve