Exercises in equine surgery . al transverse section of the posterior abdominal region,showing the superior insertion and disposition of the internal obliaueand cremaster muscles as seen from in front. The peritoneum, thesub-peritoneal layers and the transverse muscle are removed. PO, internal obliaue muscle; BPO, its posterior border; C, superiorpart of the cremaster (that muscle is cut within a few centimeters ofits origin); GD, great straight abdominal muscle; A I, dotted line,indicating the position of the inferior inguinal ring; A S, dotted linecorresponding to the superior inguinal ring;
Exercises in equine surgery . al transverse section of the posterior abdominal region,showing the superior insertion and disposition of the internal obliaueand cremaster muscles as seen from in front. The peritoneum, thesub-peritoneal layers and the transverse muscle are removed. PO, internal obliaue muscle; BPO, its posterior border; C, superiorpart of the cremaster (that muscle is cut within a few centimeters ofits origin); GD, great straight abdominal muscle; A I, dotted line,indicating the position of the inferior inguinal ring; A S, dotted linecorresponding to the superior inguinal ring; L, dotted line traced at theheight where the hand reaches the peritoneum in operating upon theabdominal eryptorchid; B, pelvis; V, bladder; E, rectum. Second step : Penetration of the deep layera of the ahdom-inal wall.—Use the riglit hand if you operate upon the right 64 EXERCISES IN EQUINE SURGERY. side, and the left if you operate upon the left. The fingersare arranged as a cone, the hand is introduced into the W . -. Fig. 27.—Prepubian and inguinal regions as seen from below. The figureshows on each of the median line, the inferior inguinal ring and theentrance to the inguinal canal. CI, inner commissure of the inferior inguinal ring; C E, external com-missure of the same ring; L I, internal lip; L E, external lip; PO,internal oblique muscle; T, testicle covered by the vaginal tunic, anddescended as far as the inferior inguinal ring (inguinal cryptorchid);G, fibrous band, representing a remnant of the gubernuculum; line, showing the situation and direction of the opening made inthe internal oblique in the Danish method, as described by Bang andMoller; T A, common tendon of the abdominal muscle; C P, sectionof the penis; P, skin; L M, dotted line traced upon the median line. inguinal canal within the ring, the elbow^ directed toward thepubic symphsis, and the extremities of the fingers in contact CASTRATION OF THE CRYPTORCHID. 65 ?with the crural arch. Direc
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Keywords: ., bookcentury1800, bookdecade1890, bookpublishernewyorkwrjenkins
