Practical human anatomy [electronic resource] : a working-guide for students of medicine and a ready-reference for surgeons and physicians . UPPER EXTREMITY. FIFTEENTH OF THORAX, AXILLA, AND ARM. Demotion.— The subject lying upon the back, place a block under thethorax; upon the block lay a board, five inches wide and long enough to reachbeyond the tips of the fingers of the outstretched limbs. The two upper ex-tremities should be extended, upon their dorsal surfaces, on the board and theends of the fingers tacked thereto. Terms of Relation.—To the anterior of the thorax an
Practical human anatomy [electronic resource] : a working-guide for students of medicine and a ready-reference for surgeons and physicians . UPPER EXTREMITY. FIFTEENTH OF THORAX, AXILLA, AND ARM. Demotion.— The subject lying upon the back, place a block under thethorax; upon the block lay a board, five inches wide and long enough to reachbeyond the tips of the fingers of the outstretched limbs. The two upper ex-tremities should be extended, upon their dorsal surfaces, on the board and theends of the fingers tacked thereto. Terms of Relation.—To the anterior of the thorax and theaxilla the general terms of relation (page 2) are applied. Forthe anterior of the arm are used the general terms anterior and. Figure 9, posterior; the special terms proximal (toward the trunk), dis-tal (trom the trunk), inner side, and outer side to its respec-tive lateral surfaces. Bone Areas, Plate anterior surfaces of the follow-ing bones, parts of bones, and cartilages form the frameworkor tins dissection, and afford attachments to muscles: thesternum ; the six superior costal cartilages and ribs ; the infe- 13 194 UPPER EXTREMITY. rior border of the clavicle ; the body (anterior surface and ex-ternal border) and the coracoid process of the scapula; the shaftand condyles of the humerus ; the proximal ends of the radiusand ulna. Dissection.—Make the skin incisions 1, 2, 3, 4, and 5 of Figure 9 (page193) ; reflect skin flaps as indicated, thereby exposing the anterior of thethorax and arm; make a circular incision around the nipple. Expose themamma (especially in the female) and its vessels; dissect the gland fromthe superficial fascia and section it so as to see its structure. As the mammais re
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Keywords: ., bookcentury1800, bookd, booksubjectanatomy, booksubjectdissection
