. Pathological technique; a practical manual for workers in pathological histology and bacteriology. ng to Orth, there is less danger of wounding the ab-dominal organs if scissors be used for the performance ofthe operation. After the lung is free it is drawn forwardout of the pleural cavity, and the root of it is grasped fromabove downward between the separated fingers (first andsecond or second and third) of the left hand. The lung,thus resting in the palm of the left hand, is first drawndownward toward the pubes until the primary bronchus isdivided by a nearly vertical incision above and be
. Pathological technique; a practical manual for workers in pathological histology and bacteriology. ng to Orth, there is less danger of wounding the ab-dominal organs if scissors be used for the performance ofthe operation. After the lung is free it is drawn forwardout of the pleural cavity, and the root of it is grasped fromabove downward between the separated fingers (first andsecond or second and third) of the left hand. The lung,thus resting in the palm of the left hand, is first drawndownward toward the pubes until the primary bronchus isdivided by a nearly vertical incision above and behind theleft hand. Then the lung is lifted vertically upward, and therest of its attachments cut in the same direction from above POS T- MOR TEM EX A MINA TIONS. 493 downward by the knife held transverse and flat, so as toavoid injuring the esophagus and aorta. The procedure is the same for both lungs. Once in agreat while the apex of a lung will be found so firmly adhe-rent by dense scar-tissue that it can be freed only by usingthe knife. The primary or main incision into a lung is a long, deep. Fig. 160.—Method of incising the lung (Nauwerck). cut from the apex to the base and from the convex surfaceto the root, slitting the primarybronchus, and thus not cut-ting it off from its branches to the upper and lower lobes(Fig. 160). To incise the left lung, place it with its inner ormedian surface and root downward on a board and with itsbase toward the operator. The left thumb steadies the lowerlobe; the first finger reaches between the two lobes almostto the primary bronchus ; and the rest of the fingers shouldhold the upper lobe. 494 PATHOLOGICAL TECHNIQUE. The right lung is most easily incised by placing it in thesame position, but with the apex toward the operator; inother words, always place the anterior edge of a lung beneaththe palm of the hand. Some prefer to place each lung onits lower or diaphragmatic surface for incision. The rightmiddle lobe is incised separately by
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