Term
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Definition
From case of neck (thoracic inlet) to diaphragm muscle
-protects heart and lungs
-site for attachment of muscles for:
upper limb
back
respiration |
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Term
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Definition
-from diaphragm muscle to pelvic inlet
contains major viscera of digestive sstem
-no bondy structure; musculature holds viscera in place |
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Term
| superior thoracic boarder |
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Definition
thoracic inlet or superior thoracic aperture
-kidney-shaped opening formed by Ti vertebra, qst pair ribs and superior margin of manubrium
--- formed by:
apex of lungs
common carotid artery
internal jugaular vein
subclavian artery and vein
esophagus and trachea
brachial plexus (C8 and T1) |
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Term
| Inferior thoracic boarder |
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Definition
| wide opening formed by T12 vertebra, 12th pair ribs, and costal arch |
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Term
| Anterior thoracic boarder |
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Definition
| sternum, rubs, and costal cartilages |
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Term
| posterior thoracic boarder |
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Definition
| thoracic vertebrae and ribs |
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Term
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Definition
12 thoracic vertebrae
sternum
12 ribs and thier costal cartialges |
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Term
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Definition
manubrium- top of sternum
body
xiphoid process- bottom of sternum
jugular notch- notch on top of manubrium
sternal angle- btw manubrium and body |
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Term
| 12 ribs and their costal cartilages |
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Definition
1-7= true ribs
8-10= false fibs
11 nad 12 are floating ribs
the coatal margin and costal arch are the same thing and are the bottom of the ribs inferiorly |
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Term
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Definition
| review ribs for the head/crest of head, neck/crest of nec & tubercle, body/ costal angle & costal groove |
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Term
| thoax joints-2 posterior joints |
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Definition
| costoverterbral and costotransverse |
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Term
| costovertebral- 2 ligaments- joint btw the head of the rib and the body of the vertebrae |
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Definition
interosseous ligament-attaches the crest of head to vertebrae
radiate (stellate) ligament- radiates around the costovertebral joint |
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Term
| costotransverse- joint btw the transverse process and the tubercle of the same vertebrae/rib (3 ligaments) |
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Definition
superior CT ligament- attaches superior transverse process to inferior rib
Ct Proper or posterior- attaches neck of ribs to adjacent transverse process via anterior surface
Lateral Ct Lig - btw tip of transverse process to tubercal of rib |
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Term
| costotransverse joint movements |
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Definition
1-7 slides M-L across joint surface because it attaches to the sternum----> bucket movement
8-10 roll A-> across joint surface |
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Term
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Definition
2 rib-sternum joints
costochondral- rib:cc
condrosternal (or sternocostal)- cc:sternum
2 intrasternal joints
manubriosternal-symphysis
xiphisternal- synchondrosis |
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Term
| Thoracic wall is coveredf by muscles that belong to upper limb or vertebral colum |
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Definition
pectoral muscles
serratus anterior
trapezius
latissimus dorsi
erector spinae |
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Term
| thoracic muscles concerned exclusively with respiration |
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Definition
diaphragm
intercostals
serratus posterior
levator costarum |
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Term
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Definition
external
internal
innermost ( composed of innermost (lateral), transversus thoracis (anterior), subcostals (posterior)) |
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Term
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Definition
runs infromedially
mostly posterior |
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Term
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Definition
runs superomedially
mostly anterior |
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Term
| innermost layer of the intercostals |
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Definition
composed of:
innermost (lateral)
tranversus thoracis (anterior)
subcostals (posterior) |
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Term
|
Definition
both an inferior and superior group of muscles
superior elevates ribs and inferior depresses ribs
superior attaches to ribs 3,4,5,6
inferior attaches to ribs 9, 10, 11, 12 |
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Term
|
Definition
attaches to all ribs
o's at transverus process of the same vertebrae that it inserts onto
elevates ribs |
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Term
| Thorax fascia from superficial to deep |
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Definition
skin
superficial fascia
deep facia
thoracolumbar fascia
endothoracic fascia
parietal pleura
visceral pleura |
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Term
| superficial fascia in thorax |
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Definition
| breast is part of fascia here |
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Term
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Definition
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Term
| parietal pleura --> pleural cavity <-- viceral pleura |
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Definition
pleural cavity is fluid filled and functions to reduce friction
visceral pleura specifically protects the lungs fromt he pleural cavity/lines lungs |
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Term
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Definition
the thickening of endothoracic fascia at the apex of the lungs
--- this can protrude out of the thoracic inlet |
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Term
| Nerve supply of the thorax |
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Definition
| intercostal nerves and subcostal neres |
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Term
| thorax never and blood supply |
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Definition
| nerves and blood vessels run between each pair of ibs and under the last rib in the costal groove in VAN order |
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Term
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Definition
1-5,gives off cutaneous
7-12 after innverating intercostals, then oblique of abdomen, do cutaneous |
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Term
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Definition
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Term
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Definition
1st 2 intercostal spaces:
supreme IC A
superior thoracic A
remaining spaces from paired anterior and posterior sources:
anterior IC
posterior IC (9 of them) and subcostal (1 of it) |
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Term
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Definition
Superior Vena cava --> hemiazygous or azygos --> posterior intercostal
Brachiocephalic trunk ---> idk,,,,,, look this up ... what about the inferior vena cava??? |
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Term
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Definition
Axillary- axila- armpit--> drains superficial thorax
Parasternal-->drains deep anterior thorax
Intercostal--> drains deep posteior thorax |
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Term
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Definition
| vein, artery, nerve... this order superior to inferior of the vessels that are tucked into the costal groove |
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