Term
directional terms-
nose relative to mouth |
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Definition
nose is superior
mouth is inferior |
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Term
directional terms
heart to vertebral column |
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Definition
heart is anterior
vetebral column is posterior |
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Term
directinal terms-
pinkie and thumb |
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Definition
pinkie is medial
thumb is lateral |
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Term
directional terms
elbow
wrist |
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Definition
elbow is proximal
wrist is distal |
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Term
directional terms
muscle
skin |
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Definition
muscle is deep
skin is superficial |
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Term
|
Definition
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Term
|
Definition
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Term
| describe the thoracic skeleton |
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Definition
| 12 pairs of ribs, costal cartilage, and sternum |
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Term
|
Definition
red- vertebral body
green- transverse processes |
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Term
|
Definition
costal facets articulate with ribs
form synovial joints |
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Term
|
Definition
red- head
green- tubercle
celeste-angle
white- body
yellow- costal goove |
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Term
| what does the tubercle articulate with? |
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Definition
| articulates with transverse process of it's own number |
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Term
| what does the head of a rib articulate with? |
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Definition
| 2 facets for articulation with vertebral bodies- head of rib 4 articulates with bodies T4 and T3 |
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Term
| what is in costal groove? |
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Definition
| intercostal nerves and vessels |
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Term
| what region of the rib is most commonly fractured? |
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Definition
| the angle- the area of greatest curvature. |
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|
Term
which ribs are atypical and why?
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|
Definition
1st- flat short tightly curved, superior surface has 2 grooves for subclavian artery and vein
11th and 12th- floating ribs |
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Term
|
Definition
1-7 connect to sternum directly
have own costal cartilages |
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Term
|
Definition
| 8-10 attach to sternum indirectly via costal cartilage of ribs above |
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Term
|
Definition
| 11 and 12, no attachment to the sternum |
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Term
|
Definition
blue- manubrium
green- jugular/suprsternal notch
yellow- sternoclavicular joints |
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Term
| what is the sternal angle |
|
Definition
where manubrium meets the sternum body
T4/T5 |
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Term
| what is the xiphoid process |
|
Definition
inferior to body of sternum
xiphisternal joint- inferior limit to thoracic cavity
T10 level |
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Term
| where can you do a bone marrow biopsy? |
|
Definition
| sternum, b/c it is superficial |
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Term
|
Definition
celeste- pectoralis major
pink- pectoralis minor
green- serratus anterior |
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Term
| how many layers of intercostal muscle are there? |
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Definition
| 3- external, internal and innermost intercostal muscles. |
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Term
| what do the intercostal nerves do? |
|
Definition
sensory innervation of the skin
motor innervation of skeletal muscle of thoracic wall |
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|
Term
| Intercostal nerves go through ventral or dorsal rami? |
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Definition
|
|
Term
| what is the subcostal nerve? |
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Definition
| the ventral ramus of T12 b/c it emerges inferior to the 12th rib |
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Term
| do intercostal nerves branch? |
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Definition
| yes- one branch run along superior edge of rib |
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Term
| why do we car about dermatomes? |
|
Definition
reffered pain
testing for nerve damage |
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Term
| what is the blood supply for intercostal arteries |
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Definition
| thoracic aorta and internal thoracic arteries |
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Term
| posterior intercostal arteries |
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Definition
arrise from descdending aorta
in VAN |
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Term
| anterior intercostal arteries |
|
Definition
arise from internal thoracic arteries
2 anterior intercostal arteries per intercostal space
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|
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Term
| intercostal veins drainage |
|
Definition
drain to azygos system posteriorly -> SVC
drain to internal thoracic veins anteriorly-> brachocephalic veins->SVC |
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