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THORAX (T-WALL (joints (intercostal: intercostal muscles (spaces lies…
THORAX
T-WALL
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articulation with ribs: 2 demifacets & oval facet. ribs 1-7= true ribs. ribs 7-10=costal cartilages & ribs 6-7= floating ribs
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intercostal muscles: 1. externae 2. internal 3. innermost 4. subcostalis = intercostal xx. 5. transversus thoracis
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DIAPHRAGM
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INN: 2x phrenic nerves (o: rami C-nerves C3-5) ARTERIES: axillary artery s t, thoracoacromial, l t & subscapular arteries VEINS: draining-> axiallry, intercostal thoracic & intercostal veins. LYMPHATIC DRAINAGE: axiallary nodes-> subclavian trunks
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LINKS
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UL
axiallary inlet (entrance UL): s margin rib 1, s margin of scapula pl & clavicle a
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BREAST
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muscles: pectoralis major, subclavius & pectoralis minor
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THORACIC APERTURE
superior
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structures
- pass UL-thoracic oiver rib 1 -s part of pleural cavity
- pass neck-head-thorax-> vertical-> s T-aperture
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