Anatomy: Chest Wall Flashcards by Lara Everett

Q

what is this an image of?

A

thoracic cage

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Q

label structures A-E

A

A- thoracic inlet
B- thoracic outlet
C- floating rib
D- 4th rib
E- 1st rib

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Q

name three structures that pass between the thorax and neck through the superior thoracic aperture

A

trachea
oesophagus
jugular vein

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Q

what is this an image of?

A

a singular thoracic vertebra

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Q

label structures A-G

A

A- superior costal facet/demifacet
B-vertebral body
C-inferior costal facet/demifacet
D- inferior articular process
E- spinous process
F- transverse process
G- superior articular process

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Q

what is this image?

A

superior view of a thoracic vertebrae

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Q

label A-F

A

A- thoracic vertebral body
B- pedicle
C- transverse process
D- lamina of the vertebra
E- spinous process
F- vertebral canal

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Q

what is the name of this bone and name the three parts of it

A

sternum

manubrium
sternal body
xiphoid process

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Q

what is the label showing

A

sternal angle
angle of Louis

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Q

what is the label showing

A

jugular notch

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Q

what does the image show?

A

clavicular notc h

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Q

what are the other indents below the clavicular notch called on the sternum

A

costal notches

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Q

what is this

A

a rib

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Q

what is highlighted in this image of the rib?

A

head

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Q

what is highlighted in this image of the rib?

A

neck

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Q

what is highlighted in this image of the rib?

A

tubercle
articulates with the thoracic vertebrae

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Q

what is highlighted in this image of the rib?

A

costal groove

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Q

what is highlighted in this image of the rib?

A

body/shaft

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Q

what is highlighted in this image of the rib?

A

costal end

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Q

superior to deep intercostals

A

external
internal
innermost

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Q

where is the sternal angle located on the sternum

A

between T4 and T5

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Q

what direction do ribs move in inspiration

A

superiorly

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Q

external intercostals

A

inferiomedially
aid inspiration
lift the ribs, increase the volume

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Q

internal intercostals

Study These Flashcards

A

superiomedially
perpendicular to external
expiration

innermost is the same

transversus thoracis

along the sternum and costal cartilage attach the rib body depress the rib in expiration

subclavius

aid the clavicle to lift inferiorly

order and location of the neuromuscular bundle

in the costal groove between the internal and innermost intercostals vein, artery, nerve

why won't you see a single rib in a cross section

as they slope down so will see a few intermittent ribs

categories of ribs

true false floating

true ribs

directly attach the costal cartilage to the sternum 1-7

false ribs

indirectly attach the costal cartilage to the sternum fused with costal cartilage of other ribs 8-10

floating ribs

aren't connected to the sternum ribs 11 and 12

types of vertebrae

cervical thoracic lumbar

what do cervical vertebrae look like

elephants

what do thoracic vertebrae look like

a giraffe they have demifacets for rib articulation

what do lumbar vertebrae look like

moose cow rhino

why is the sternal angle used as a landmark k

as the second rib can be located laterally count the ribs in order to correctly intubate

how does the rib anteriorly articulate

via costal cartilage

how does the rib posteriorly articulate

head with the body of the vertebrae and the transverse process 2 facets

muscles involved in the chest wall

pectorals major, anterior= clavicle (bone) and medially= sternum (bone), fibres travel inferiorly, laterally and superiorlaterally, converge at the humerus pectoralis minor: scapula and thoracic cage external abdominal oblique latissimus dorsi serratus anterior

accessory muscles of expiration

sternocleidomastoid serratus anterior scalene

accessory muscles of inspiration

abdominals recti obliques transverse abdominus

what does phrenic relate to

the diaphragm

what does the image show?

clavicle

what does the image show?

costal margin

what does the image show?

diaphragm

what does the image show?

external abdominal obliques

what does the image show?

false ribs

what does the image show?

floating ribs

what does the image show?

innermost intercostals

what does the image show?

intercostal nerve

what does the image show?

intercostal space

what does the image show?

internal intercostals

what does the image show?

jugular notch

what does the image show?

latissimus dorsi

what does the image show?

mid-clavicular line

what does the image show?

mid-sternal line

what does the image show?

midaxillary line

what does the image show?

pectoralis major