Operative gynecology : . or ani muscle. Posteriorly the inferior hemorrhoidal arter-ies are seen emerging from the ischio-rectal fossae, curving forward, andbranching over the levator ani muscle, to be distributed to the lower part ofthe rectum and the sphincter ani muscle. The superficial perineal arteries are MUSCLES AND NERVES OF THE PELVIC FLOOR. 79 seen emerging from the depths of the ischio-rectal fossae anteriorly, and cours-ing forward in front of the rectum over the transverse perineal muscles. Theterminal branches of the internal pudic artery are seen in their distribution,a small br
Operative gynecology : . or ani muscle. Posteriorly the inferior hemorrhoidal arter-ies are seen emerging from the ischio-rectal fossae, curving forward, andbranching over the levator ani muscle, to be distributed to the lower part ofthe rectum and the sphincter ani muscle. The superficial perineal arteries are MUSCLES AND NERVES OF THE PELVIC FLOOR. 79 seen emerging from the depths of the ischio-rectal fossae anteriorly, and cours-ing forward in front of the rectum over the transverse perineal muscles. Theterminal branches of the internal pudic artery are seen in their distribution,a small branch going to Bartholins gland, a branch above this to the bulb ofthe clitoris, and the remaining branches supplying the corpora cavernosa andthe dorsum of the clitoris. Fig. 45 shows the muscles of the pelvic floor in their relation to the vaginaland rectal openings, together with the distribution of the terminal branches of Ooustr. vag. or muse. bulb. cav. Erect, clit. (Tschiocavern Inf. pu-dendalbranch of smallsciatic. Ext. ( J perin. White line Fig. 45.—The Muscles of the Pelvic Floor in Their Relation to the Rectal and Vaginal Open-ings. On the Left is Seen the Distribution of the Terminal Branches of the Nerves. the nerves. Posterior to a line drawn between the anterior margins of thetuberosities of the ischium are seen the following muscles. The transverseperineal muscles take their origin beneath the tuberosities of the ischium and 80 TOPOGRAPHICAL ANATOMY. cross the perineal body horizontally between the vaginal outlet and the analorifice, each one fusing with its fellow on the opposite side. A number of themuscular bundles diverge from the horizontal fibers anteriorly and posteriorly
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectgynecology, bookyear1
