2mar02, againts, all, anatomical, anatomically, anterior, back, backbone, backs, becomes, blockage, blood, bloodflow, bone, bones, cardiac, cardial, cardio, cardiology, causing, circulate, circulation, circulatory, collapse, column, columns, complete, constant, coronary, descriptions, difficulty, dramatically, drop, drops, eventually, exerts, expands, extremely, first, flow, front, frontal, heart, hearts, inadequate, increase, increased, initial, its, l, l-3, l-4, l-5, l3, l4, l5, large, low, lower, lumbar, lumen, lumina, maintaining, medical, multiple, myocardial, myocardium, near, no, ofvenous, operation, operations, operative, periods, pressure, pressures, procedure, procedures, pt, regular, remain, results, severe, shape, shock, spinal, spine, spines, spinous, steps, subtitle, surgeries, surgery, surgical, systems, sytem, thin, total, ultimate, vascular, vasodilation, vein, veinous, veins, venous, ventral, vertebra, vertebrae, vertebral, vessel, vessels, volume, walls, widespread, 1, 2, 3, 4, 5, 32, 34