- 3 in right (upper, middle, lower), 2 in left (upper, lower). - apex is above inner 3rd of clavicle - inferior border - 6th rib@ mcl, 8th @ MAL, 10th (posteriorly) and on deep inspiration that extends to the 12th - trachea bifurcates at T4 - Inferior tip of scapula 7th rib - NEUROVASC. STRUCTURES RUN UNDER RIBS
Trachea bifurcates where?
sternal angle anteriorly and T4 spinous process posteriorly