The practice of obstetrics, designed for the use of students and practitioners of medicine . hette, posterior vulval commissure, perineum, lower third of the posterior andlateral vaginal walls, and the recto-vaginal septum. The tissues involved mayinclude the integument from the anal orifice to the posterior vulval commissure,the mucous membrane of the vulva, vagina, and rectum, the cellular tissue,the sphincter ani and levatores ani muscles. Varieties.—These lacerations exhibit many varieties and may be classifiedin various ways. The arrangement which is taught in most text-books is, how-ever
The practice of obstetrics, designed for the use of students and practitioners of medicine . hette, posterior vulval commissure, perineum, lower third of the posterior andlateral vaginal walls, and the recto-vaginal septum. The tissues involved mayinclude the integument from the anal orifice to the posterior vulval commissure,the mucous membrane of the vulva, vagina, and rectum, the cellular tissue,the sphincter ani and levatores ani muscles. Varieties.—These lacerations exhibit many varieties and may be classifiedin various ways. The arrangement which is taught in most text-books is, how-ever, only partially correct. It presents these injuries as occurring in threedegrees, as follows: The mildest grade of rupture extends from the posteriorvulval commissure for a variable distance into the perineal body; the second 596 PATHOLOGICAL LABOR. degree extends as far as the sphincter ani, while in the highest degree the ruptureinvolves the sphincter and the recto-vaginal septum. This mode of groupingtakes no cognizance of lacerations of the vaginal sulci, which are the most fre- \. Fig. 792.—Abrasions and SuperficialTears of the Vestibule and Vulva.—{Redrawn after Bar.) Fig. 793.—Abrasions and SuperficialLacerations of the Vestibule andVulva.—{Redrawn after Bar.)
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectobstetrics, bookyear1
