KINE 318 Lecture Notes - Lecture 3: Rib Fracture, Pleural Cavity, Subcutaneous Emphysema
7 Mar 2017
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The thoracic cavity is divided into 3 sections/spaces: 2 separate pleural cavities- housing the right and left lungs, the mediastinum- housing the heart, thoracic parts of the great vessels, the trachea, the left& right bronchi & other structures. Thoracic vertebra& the 12 pair of ribs housed within the thoracic cavity. Main functions: to protect the vital respiratory& circulatory organs& assist the lungs in inspiration& expiration. Boundaries of the thoracic cavity: posterior- mid spine, superior- shoulder girdle (clavicle area, lateral- rib cage, anterior- ribs/sternum, inferior- diaphragm. Boundaries of the abdomen: btw diaphragm& pelvis, bounded by the margin of the lower ribs, superior border is the base of the ribs, inferior border is the pelvic area(iliac spine) Four quadrants: upper right: liver, gall bladder, stomach, large& small intestine, upper left: stomach, pancreas, spleen, lower right: large& small intestine, ascending colon, appendix, lower left: large& small intestine, descending colon.
