. A manual of gynæcology and pelvic surgery, for students and practitioners. n the external anal orifice. In the anterior tri-angle are found the urethral and vaginal orifices. The blood supply of the vulva and perineum is derived fromthe external and internal pudendals (pudics). The internalpudendals pass deeply along the ischial and pubic rami givingoff numerous superficial branches in their course. Branchesfrom the internal pudendal supply the corpora cavernosa, thebulbi vestibuli, and the labia. The veins correspond to thearteries. The inferior hemorrhoidal vessels supply the skinof the po
. A manual of gynæcology and pelvic surgery, for students and practitioners. n the external anal orifice. In the anterior tri-angle are found the urethral and vaginal orifices. The blood supply of the vulva and perineum is derived fromthe external and internal pudendals (pudics). The internalpudendals pass deeply along the ischial and pubic rami givingoff numerous superficial branches in their course. Branchesfrom the internal pudendal supply the corpora cavernosa, thebulbi vestibuli, and the labia. The veins correspond to thearteries. The inferior hemorrhoidal vessels supply the skinof the posterior anal triangle. The lymphatics of the two sidescommunicate anterior and posterior to the vaginal orifice andterminate in both the femoral and inguinal lymphatic glands, O ANATOMY hence the appearance of inguinal and femoral lymphadenitis •in connection with infections about the vulva. The superficial nerves are derived from the inferior pudendal,the inferior hemorrhoidal, and the superficial perineal. Midway between the anus and the vaginal orifice is the central. Fig. 2.—Diagrammatic representation of the female perineal structures. {After Morris.) point of the perineum at which the various fascial layers of theregion unite, and two of the paired, the bulbo-cavernosi andtransversus perinei, and one of the single superficial perinealmuscles, the external sphincter ani, are attached at this bulbo-cavernosus arises from this point in the perineumand passes anteriorly as a muscular band about 2 cm. in width, THE PERINEAL REGION 7 hing lateral to the vaginal orifice and external to the greatervestibular gland and vestibular bulb. Anterior to these themuscle separates into three bundles for insertion: (a) as an ex-ternal set which attaches to the pubic rami and the fibroustissue of the corpus cavernosum; (b) a median set, the constrictorradices clitorides, crossing and constricting the crus of theclitoris and terminating in its suspensory ligament; and (c)an in
Size: 1616px × 1545px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, bookidman, booksubjectgynecology
