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Anatomy, Thorax > Study Boxes Thorax Pleura & Lungs > Flashcards

Study Boxes Thorax Pleura & Lungs Flashcards

(63 cards)

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1
Q

Are the ribs completely parallel?

A

NO, the ribs are 15 degrees tilted anteriorly

so you don’t see one to one correspondence of ribs

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2
Q

the manubrium of sternum corresponds to what level of vertebra?*

A

T4, T5 and vertebral disk

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3
Q

The superior thoracic aperture is aka*

A

Inlet or CLINICAL OUTLET

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4
Q

the inferior thoracic aperture aka *

A

outlet

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5
Q

the xyphoid process corresponds to what level*

A

T10 T11

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6
Q

contents of thoracic inlet

A 
apex of lungs*
trachea 
esophagus 
vagus nerve CN X 
phrenic nerve C3 4 5 
cervical plexus
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7
Q

what is the angle of luis

A

manubriosternal joint

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8
Q

what is the infrasternal angle *

A

junction where xyphoid process and costal margin

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9
Q

costal groove location and contents*

A

located on inferior aspect of ribs,
shelters the intercostal neuromuscular bundle
VAN - Vein artery nerve

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10
Q

the intercostal nerve is from where

A

VENTRAL rami of spinal nerve

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11
Q

what is the weakest part of rib

A

costal angle

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12
Q

the intercostal VAN is located where?

A

in between internal and innermost intercostal muscles

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13
Q

innermost intercostal muscles

A

sternocostalis- on sternum
innermost proper- in between
subcostalis- at angle of rib

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14
Q

Aortic opening- level and contents*

A 
T12
thoracic aorta
thoracic duct 
greater splanchnic nerves ( T5-T9)
azygos vein
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15
Q

esophageal opening L and Contents*

A

T10
esophagus
right and left vagus nerves
esophageal branches of left gastric artery and vein

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16
Q

caval opening Level and contents*

A

T8
IVC
phrenic nerves ( c3c4c5)
lymphatic vessels

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17
Q

Anterior intercostal arteries ICS 1-6 come from *

A

internal thoracic artery

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18
Q

anterior intercostal arteries ICS7 8 9 come from*

A

musculophrenic artery ( branch of internal thoracic)

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19
Q

intercostal space 10 11

A

NO anterior intercostal arteries

directly from aorta

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20
Q

anterior aspect of thorax is drained by ?

A

internal thoracic v – into brachiocephalic v

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21
Q

posterior aspect of thorax is drained by?

A

azygossystem

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22
Q

R side posteriorly 1 ICS by?*

A

highest intercostal vein into brachiocephalic

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23
Q

R side posteriorly 2-3 ICS

A

highest intercostal vein into azygos

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24
Q

R side posteriorly 4-11 ICS

A

azygos vein

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25
R side post 12 ICS by
subcostal veins into azygos
26
L side post 1 ICS by
highest intercostal vein --- into brachiocephalic vein
27
L side post 2 3 4 ICS by
accessory hemiazygos vein
28
L side post 5-11 + 12 ICS by
hemiazygos
29
Azygos is on what side
R side
30
hemyazygos is on what side
L side
31
what happens to accessory hemi and hemiazygos?
they cross over independently or join as an unit and drain into azygos accessory hemi can also drain into brachiocephalic vein
32
where does the thoracic duct drain into*
junction between Left internal jugular and left subclavian
33
right lymphatic duct drains what
right arm part of thorax and right side of head Thoracic duct drains everything else
34
thoracic duct sandwiched in between what
azygos on right and aorta on left
35
What is the endothoracic fascia?*
connective tissue layer that functions to prevent the parietal pleura from rubbing agains innermost intercostal muscles
36
sibsons fascia
thickening of the endothoracic at the APEX of the lungs
37
Importance of the first rib
it has superior grooves for the subclavian vein and artery
38
flail chest is due to*
multiple rib fractures | paradoxical chest movement
39
paradoxical movement of flail ches
chest goes inward with inspiration outward with expiration (this is not normal )
40
rib dislocation occurs where*
on the ribs that ATTACH to the sternum ( 2-7)
41
rib separation occurs where*
(dislocation) of chostochondral join between rib and costal cartilage
42
Thoracentesis
surgical puncture of chest
43
thoracostomy
needle tube at ICS 4 /5 anterior axillary line used to decompress fluid or air in lung
44
thoracotomy
surgical incision of chest ICS 4 /5 from lateral margin of sternum to anterior axillary line ( think greys anatomy)
45
Where does the parietal pleura become continuous with the visceral pleura
at the HILUM of each lunch - ( makes an indentation)
46
what is the cupula*
area of parietal pleura reflected over the APEX of lung
47
what is the costodiaphragmatic recess*
at the junction of the costal and diaphragmatic parietal pleura at the mid axillary line LOWEST area of pleural cavity into which the lungs expand during inspiration
48
costodiaphragmatic recess level***
ICS 9
49
estenssions of costoparietal pleura and their levels*
anteriorly ICS 8 med axillary ICS 9 posteriorly ICS 10
50
is the parietal pleura sensitive to pain
VERY SENSITIVE TO PAIN
51
is the visceral pleura sensitive to pain
NO- no sensory innervation
52
cardiac notch level *
costal cartilages 4 5 6
53
oblique fissure level
from apex of lung and ends at COSTAL CARTILAGE 6
54
horizontal fissure level
COSTAL CARTILAGE 4
55
lingula
modified middle lobe of the LEFT lung
56
where does the trachea begin*
continuation of larynx at lower border of CRICOID CARTILAGE C6
57
what happens to the trachea at angle of louis
descends anteriorly to esophagus | deviates slightly to RIGHT side of medial plane at angle of lous
58
where does the trachea end
divides into L and R primary bronchi between T4 and T5
59
what is the carina
bifurcation of the trachea into right and L bronchi
60
angle of carina
90 degrees | > 90- indicate presence of mediastinal mass
61
Location of L ( primary bronchus) WRT aorta and esophagus
passes to left BELOW arch of aorta | IN FRONT of esophagus
62
blood supply of the bronchi
bronchial arteries- two on left from thoracic aorta | one on right from posterior intercostal artery
63
branching of the brachial tree
trachea-- primary bronchi-- secondary-- tertriary--- bronchioles-- terminal bronchioles

Anatomy, Thorax (4 decks)

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