Transactions of the American Association of Obstetricians and Gynecologists for the year ... . Fig. 4.—(Martin Plate XIV.) All structures of the superficial and middle-strata have been removed up to the margins of the rectum (),that have been carefully preserved, the latter as a projecting collar, which issurrounded by the inner remaining edge of the facial diaphragm ( ). The ischio-rectal fossa? have been cleared out, and the muscles in their walls, the levatorani (</), the internal obturators (e), and the pyriformi (/) have been divestedof their facial covering. down near the rectum, with
Transactions of the American Association of Obstetricians and Gynecologists for the year ... . Fig. 4.—(Martin Plate XIV.) All structures of the superficial and middle-strata have been removed up to the margins of the rectum (),that have been carefully preserved, the latter as a projecting collar, which issurrounded by the inner remaining edge of the facial diaphragm ( ). The ischio-rectal fossa? have been cleared out, and the muscles in their walls, the levatorani (</), the internal obturators (e), and the pyriformi (/) have been divestedof their facial covering. down near the rectum, with a needle guided by one or more fingersof the opposite hand. Only venous bleeding occurs, which stopsreadily when the wound cavity is obliterated in all its parts by theburied suturing. Fig. 2 shows the superficial muscles of the firststratum , intact on the left side; but two of them are cut 132 A. GOLDSPOHN, away on the right side, so as to show the outer surface of the secondstratum, the urogenital diaphragm triangular ligament, on that Fig. 5.—(Martin Plate XV.) Dissection showing the three main strata ofstructures in the female perineum on one side, and the three layers in the middleone (fascial diaphragm). Superficial fascia (), and sections of the bulbocavernosus and ischiocavernosus muscles (f),together composing the outer stratum. The outer fascia (</), the inner fascia (?),and the deep transversus perinei muscle (/) between these, together constitutingthe fascial diaphragm. The levator ani muscle, the innermost, and chiefstratum (g). Fig. 3 shows this urogenital diaphragm, the trigone, or triangularligament. Its outer fascia layer has been removed on the right side LACERATIONS OF THE PERINEUM. 133 to show the deep transversus perinei muscle, which constitutes themiddle layer of this three-ply structure whose inner borders con-stitute the most distinct and resistant structures about the vaginalintroitus. Fig. 4 represents the innermost stratum, the l
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Keywords: ., bo, bookcentury1900, booksubjectgynecology, booksubjectobstetrics
