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Anatomy > 1 - The Thorax > Flashcards

1 - The Thorax Flashcards

1
Q

Medial

A

closer to the middle

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2
Q

Lateral

A

closer to edges

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3
Q

Anterior (ventral)

A

front

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4
Q

Posterior (dorsal)

A

back

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5
Q

Main features of the thoracic cage

A

The sternum, vertebrae ribs and costal cartilages

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5
Q

Main features of the thoracic cage

A

The sternum, vertebrae ribs and costal cartilages

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6
Q

The Clavical

A

Forms the border where the thorax begins (not part of the thoracic cage)

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7
Q

The Sternoclavicular joint

A

Where the clavical meets the sternum

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8
Q

The Acronium process of the Scapula

A

Highest point of the shoulder where the clavical runs

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9
Q

The jugular

A

The derpression where the sternum starts

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10
Q

3 major parts of the sternum

A

The maubrium, the body and the xiphoid process

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11
Q

Sternal angle

A
  • Between the manubrium and the body also the point of attachment for the costal cartilage of the 2nd rib.
  • Marks the difference between the superior and inferior mediastinum
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12
Q

Facets

A

points of attachment for the costal cartilages 1-7

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13
Q

How many thoracic vertebrae are there?

A

12

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14
Q

What are the 2 different attachement sites on the thoracic vertebrae

A

1 - the tubicle to the transverse process
2 - head to the demi facets

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15
Q

Where are the neurovascular bundles found on the ribs?

A

The Costal groove

16
Q

Why is rib 1 “atypical”?

A

Its flat and has a singular articulate facet

17
Q

Why are ribs 11&12 “atypical”?

A

They are known as the floating ribs, they do not have costal cartilage and only articulate with one vertebrae.

18
Q

True Ribs

A

Direct articulatuon via the costal cartilage to the strenum

19
Q

False Ribs

A

Articulate to the sternum via another costal cartilage.

20
Q

Floating RIbs

A

No costal cartilage

21
Q

External Intercoastals

A
  • Paired muscles on either side of the thorax
  • ATERIOINFERIOR - downwards and inwards
  • mostly assist in forced inspiration also play a tonal role.
22
Q

Internal Intercostals

A
  • lie deep and run 90 degrees to the externals
  • play a role in forced expiration
23
Q

Posterior intercostal muscles of the…

A

Aorta

24
Q

The subclavian artery

A

A branch of the aorta where the posterior intercostals come off. (They anatasome)

Anatomy (17 decks)

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