JAMA. 1899;XXXII(6):281-285. doi:10.1001/jama.1899.92450330011001c.
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To make a comprehensive study of the anatomy, physiology and pathology of the perineum, it must be preceded by at least a somewhat cursory description of its anatomic relations. In order to do this, the whole pelvis must be viewed in profile as well as in sagittal section, and that part which immediately concerns the subject is the inferior aperture or outlet. According to Gray: "Its deep boundaries are in front, the pubic arch and subpubic ligaments; behind, the tip of the coccyx; and on each side, the rami of the pubes and ischium, the tuberosities of the ischium, and great sacrosciatic ligaments. The space included by these boundaries is somewhat lozenge-shaped, and is limited on the surface of the body by the scrotum in the male, and the mons veneris in the female in front; by the buttocks behind; and on each side by the inner side of the


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