thorax wall - STRUCTURE OF THE THORACIC WALL Learn the...

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1 STRUCTURE OF THE THORACIC WALL Learn the bones of the thorax, and review the parts of a typical vertebra 1. The Walls of the Thorax 12 thoracic vertebrae and intervertebral discs sternum true ribs, false ribs, floating ribs costovertebral, costotransverse, costochondral and sternocostal joints Thoracic inlet and outlet Typical Rib: - head, neck, crest, tubercle, shaft, angle, subcostal groove Sternum: -manubrium, body, xiphoid process, -clavicular notches, sternal angle of Louis Typical - body, neural arch, laminae, pedicles Vertebrae: - spinous and transverse processes - superior and inferior articular processes
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3 2. Intercostal Muscles external, internal and innermost Innervation from the intercostal nerves (anterior primary rami of the thoracic spinal nerves) 3. Diaphragm attaching along the margins of the thoracic outlet, and to the upper lumbar vertebrae by two long muscular bands, the right and left crurae (singular – crus) right and left domes
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This note was uploaded on 09/25/2009 for the course ANATOMY ana300y1 taught by Professor Wiley during the Winter '09 term at University of Toronto.

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thorax wall - STRUCTURE OF THE THORACIC WALL Learn the...

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