Title: Anatomy, descriptive and applied
Identifier: anatomydescript00gray (find matches)
Year: 1913 (1910s)
Authors: Gray, Henry, 1825-1861; Spitzka, Edward Anthony, 1876-1922
Subjects: Anatomy
Publisher: Philadelphia, New York, Lea & Febiger
Contributing Library: Columbia University Libraries
Digitizing Sponsor: Open Knowledge Commons

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1360 THE UBINOGENITAL ORGANS The antero-inferior or pubic surface (Figs. 337 and 1128) looks downward and forward. In the undistended condition it is uncovered by peritoneum, and is in relation with the Obturator internus muscle on each side, with the rectovesical fascia, and anterior true ligaments of the bladder. It is separated from the body of the pubis by a triangular interval, occupied by fatty tissue, the pubovesical space of Retzius. As the bladder ascends into the abdominal cavity during dis- tention the distance between its apex and the umbilicus is necessarily diminished, and the urachus (Figs. 994 and 1128) is thus relaxed; so that, instead of passing directly upward to the umbilicus, it descends first on the upper part of the anterior surface of the bladder, and then curving upward, ascends on the back of the abdominal wall. The peritoneum, which follows the urachus, thus comes to form a pouch of varying depth between the anterior surface of the viscus and the
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Prostatic plexxis of veins. Prepuce.- FiG. 112S.—Vertical section of bladder, penis, and urethra. abdominal wall (Fig. 337). The pouch passes to the neighborhood of the internal abdominal rings. Thus, when the bladder is distended, the upper part of its anterior surface is in relation with the urachus and is covered by peritoneum. The lower part of its anterior surface, for a distance of about two inches above the symphysis pubis, is devoid of peritoneum, and is in contact with the abdominal wall. The lateral surfaces are invested behind and above by peritoneum, which extends as low as the level of the impervious hypogastric artery; below and in front of this, these surfaces are uncovered by peritoneum, and are separated from the Levatores ani muscles and the walls of the pelvis by a quantity of loose areolar tissue contain- ing fat. In front this surface is connected to the rectovesical fascia by a broad expansion on either side, the lateral true ligaments. The vas deferens crosses the

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