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MedAnatomy > Thoracic wall > Flashcards

Thoracic wall Flashcards

1
Q

thoracic wall framework

A

thoracic cage

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2
Q

posterior boundary of thorax

A

thoracic part of verteb column

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3
Q

anterior boundary of thorax

A

sternum and costal cartilage

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4
Q

lateral boundary of thoras

A

ribs and intercostal cartilage

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5
Q

superior border of thorax

A

suprapleural membrane

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6
Q

inferior border of thorax

A

diaphragm

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7
Q

sternum is divided into 3 parts

A

manubrium
body
xiphoid

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8
Q

manubrium articulates with body at what

A

manubriosternal joint

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9
Q

manubriosternal joint found at what level

A

T3-4 vertabra

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10
Q

manubrium articulates with what

A

body
clavicle
1st costal cartialge
upper of 2nd costal

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11
Q

body articulates with xiphoid at what

A

xiphisternal joint

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12
Q

xiphisternal joint found at what level

A

T9

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13
Q

found at each side of body of sternum

A

2nd to 7th costal cartialge

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14
Q

no ribs or cartilage attached to it

A

xiphoid process

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15
Q

formed by the articulation of the ,anubrium and body

A

angle of Louis (sternal angle)

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16
Q

this lies at the level of the 2nd costal cartilage

A

transverse ridge

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17
Q

sternal ngle found at what level

A

between T4-5 vertebra

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18
Q

alin ang true ribs

A

1-7

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19
Q

alin ang false ribs

A

8 9 10

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20
Q

alin ang floating ribs

A

11 12

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21
Q

aling part ng rib ang sharp and thin

A

inferior border

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22
Q

aling part ng rib ang rounded and smooth

A

superior border

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23
Q

itsura ng typical rib

A

long, twisted flat bone

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24
Q

part of the ribs that accomodates the intercostal nerves and vessels

A

costal groove

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25
Q

parts of ribs

A 
head
neck
tubercle
shaft
angle
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26
Q

saan ang costal groove taas o baba

A

baba border

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27
Q

alin ang dumidikit sa vertebra

A

head ng rib

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28
Q

clinical importance of 1st rib

A

close to subclavians

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29
Q

what crosses anterior to scalenus anterior

A

subcla vein

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30
Q

what crosses posterior to scalenus anterior

A

subclav artery and lower trunk for bachial plxus

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31
Q

cartilages of 11 and 12 rib end in

A

abdominal musculature

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32
Q

in old age, costal cartilages lose elasticity due to

A

superficial calcification

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33
Q

connects rib head to intervertebral disc

A

intraarticular ligament

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34
Q

articulates via transverse process of the corresponding vertebra

A

tubercle

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35
Q

articulate with one another along their borders by small synovial joints

A

6-10th costal

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36
Q

joint type of sternoclavicular joint

A

synovial double plane joint

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37
Q

articular disc of the sternoclav joint

A

flat fibrocartilaginous disc

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38
Q

accesory ligaments of the sternoclav joint

A

costoclavicular ligament

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39
Q

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

A

costoclavicular ligament

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40
Q

nerve supply to sternoclav joint

A

supraclav nerve and nerve to subclavius

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41
Q

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

A

suprasternal notch

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42
Q

this rib lies deep to the clavicle and cannot be palapted

A

1st rib

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43
Q

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

A

12th rib

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44
Q

position of nipples in male

A

4th intercostal space, 4 inches from midline

45
Q

vertebra prominens

A

C7

46
Q

line drawn bet. sternal border and midclav line

A

parasternal line

47
Q

vertical line along transverse processes

A

paraverterbral line

48
Q

origin of intercostal muscles

A

inferior border of rib

49
Q

insertion of intercostal muscles

A

super border of rib below

50
Q

innervation of intercostal muscles

A

intecostal nerves

51
Q

origin and insertion of innermost intercostal muscle

A

adjacent rib

52
Q

action of ext. intercostal muscle

A

raises rib during inspi

increases diameter bsajfkdfbjdhfjaljgksd

53
Q

action of internal intercost muscles

A

lowers rib during expi

54
Q

action of innermost intercost muscles

A

assist inter and external intercost

55
Q

origin of diaphragm

A

xiphoid process
lower 6 costal cartilages
1st 3 lumbar vertebrae

56
Q

insertion of diaphragm

A

central tendon

57
Q

action of diaphragm

A

muscle of inspi
increase diameter of thorax
raises lower ribs

58
Q

origin of levatores costarum

A

tip of transverse process of C7 T1-11

59
Q

insertion of levatores costarum

A

rib below

60
Q

action of levatores costarum

A

raises rib

inspi msucles

61
Q

origin of serratus posterior superior

A

lower cervical and upper thoracic spines

62
Q

insertion of srratus posterior superior

A

upper ribs

63
Q

origin of serratus posterior inferior

A

upper lumbar and lower thoracic spines

64
Q

insertion of serratus posterior inferior

A

lower ribs

65
Q

contained within the intercostal space

A

innermost, internal and external intercostal muscles

66
Q

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

A

endothoracic fascia

67
Q

arrangement of neurovascular structures above to below

A

vein
artery
nerve

(VAN)

68
Q

saang nagrrun ung VAN

A

between intermediate and deepest layers muscles

69
Q

the intercostal muscles are replaced by the corresponding

A

anterior or posterior intercostal membrane

70
Q

the innermsost intercostal muscle corresponds to th

A

transversus abdominis muscle

71
Q

this rib is fixed during inspiration

A

1st, fixed by scalenus anterior

72
Q

this rib is fixed during expiration

A

12th, fixed by quadratus lumborum and oblique muscles

73
Q

supplies the first 2 posterior intercostal spaces

A

costocervical trunk of subclaian artey

74
Q

supplies the first 6 anterior spaces

A

internal thoracic artery

75
Q

supplies the lower 9 posterior spaces (3-12)

A

descending thoracic aorta

76
Q

supplies the lower 6 anterior spaces

A

musculophrenic (7-9)

superior epigastric artery (10-12)

77
Q

posterior intercost veins drain into

A

azygous or hemiazygous veins

78
Q

anterior intercost veins drain into

A

internal thoracic and musculophrenic vein

79
Q

1st posterior intercostal vein drains into

A

vertebral or brachiocephalic vein

80
Q

2-3rd posterior intercostal vein drains unite to form

A

superior intercostal vein

81
Q

4th-11th posterior intercostal veins drain into

A

azygous (right side)

hemiazygous (left side)

82
Q

1-3rd anterior intercostal drain into

A

internal thoracic vein

83
Q

4-9th anterior intercostal drain into

A

musculophernic vein

84
Q

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

A

musculophrenic vein

85
Q

musculophrenic vein joins the _____________ to drain into ______ at ______________

A

superior epigastric vein
internal thoracic vein
3rd intercostal space

86
Q

3 fibers of the intercotal nerves

A

motor
sensory
sympathetic

87
Q

san galing intercostal nerves

A

anterior rami of 1st 11 thoracic spinal nerves

88
Q

comes from the anterior ramus of the 12th thoracic nerve

A

subcostal nerve

89
Q

saan pwesto ng subcostal nerve

A

lies in abdomen

runs forward in abdominal wall

90
Q

sensory fibers innervate the

A

parietal pleura

cutaneous areas

91
Q

sympahetic fibers innervates the

A

smooth muscles around blood vessels

secretory fibers to glands in the skin

92
Q

intercost nerves enters thru or where

A

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

93
Q

where are first 6 nerves distributed

A

intercostal spaces

94
Q

where are 7-9th nerves distributed

A

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

95
Q

where the 10-11th merves distributed

A

pass directly into abdominal wall

96
Q

branches of the intercostal nerves

A 
rami communicantes
collateral branch
lateral cutaneous
anterior cutaneous
muscujlar branches
pleural sensory
peritoneal sensory
97
Q

connects intercostl nerves to a ganglion of sympathetic trunk

A

rami communicantes

gray ramus joins balakakfkas

98
Q

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

A

collateral branch

99
Q

reaches skin on side of the chest

A

lateral cutaneous

100
Q

terminal protion of the main trunk, reaches skin near midline

A

anterior cutaneous

101
Q

nerve that runs to the intercostal muscles

A

muscular branch

102
Q

nerves that goes to the parietal pleura

A

pleural sensory

103
Q

nerves tht go to the peritoneal pleura

A

peritoneal sensory

104
Q

the peritoneal sensory nerves include only the

A

7-11th intercostal nerves only

105
Q

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

A

brachial plexus

106
Q

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

A

1st intercostal nerve

107
Q

2nd intercostal nerve is joined to _____________ via the ________________

A

medial cutaneous

intercostobrachial nerves

108
Q

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

A

2nd intercostal nerve

MedAnatomy (7 decks)

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