Thoracic Cage Flashcards
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Superior thoracic inlet is…. shaped and has …. dimensions
Kidney
5 cm ant post, 10cm trans
What lines the inlet
Supra pleural menvrsne, leaving a gap for passage of big vessels and other structures. Apex of lungs, oesophagus, trachea, etc
IOA?
8, 10, 12
EIM muscles run
Forward, medially and downwards
Ends at costochondral junction
IIM muscles run
Backwards, downwards and laterally. Start from the sternum and end at angle of ribs
Transversus thoracis muscle arises from?
Lower third of posterior surface or the sternum, xiphoid process and the costal cartilsyrd of the lower 3 or 4 true ribs near the sternal ends
Separates endothoracic fascia from parietal pleura
Depresses the ribs
Vertebral arch is made up of
Pedicle and lamina
Facet on body for articulation with head of ribs located on…. side of bodies
Posterateral
Between body and lamina is a depression/groove called
Vertebral notch
Note. Superior articular process facet and inferior articular facet
- Face backward and laterally
2. Face forward and medially except t12 which faces laterally
Vertebral notch for?
Passage of spinal cord and its meninges
Articulate facets on head of rib are
Concave
LOOK AT SLIDE 36
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Neck lies… to transverse process
Anterior
Tubercle has 2 parts
Medial which articulates with transverse process
And non articulating lateral tubercle