Identifier: anatomydescripti1887gray (find matches)
Title: Anatomy, descriptive and surgical
Year: 1887 (1880s)
Authors: Gray, Henry, 1825-1861 Pick, T. Pickering (Thomas Pickering), 1841-1919, ed Keen, William W. (William Williams), b. 1837
Subjects: Human anatomy Anatomy
Publisher: Philadelphia : Lea brothers & co.
Contributing Library: Francis A. Countway Library of Medicine
Digitizing Sponsor: Open Knowledge Commons and Harvard Medical School

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oneum, whilst the portion in front of theurachus has no peritoneal covering, but rests against the abdominal wall. The Urachus is the obliterated remains of a tubular canal which exists in theembryo, and connects the cavity of the bladder with a membranous sac placedexternal to the abdomen opposite the umbilicus, called the allantois. In the infant 1 According to Henle, the bladder is considerably smaller in the female than in the male. 956 THE URINARY ORGANS. at birth it is occasionally found pervious, so that the urine escapes at the umbilicus,and calculi have been found in its canal. The body of the bladder in front is not covered by peritoneum, and is in rela-tion with the triangular ligament, the posterior surface of the symphysis pubis, theInternal obturator muscles, and, when distended, with the abdominal parietes. (The amount of space above the pubes uncovered by peritoneum, through whichaccess may be had to the bladder for exploration or operation, varies very much. Fig. 639.
Text Appearing After Image:
Vertical Section of Bladder, Penis, and Urethra. Prepuce(Compare with Fig. 682, p. 1022.) When the bladder is empty, there is none, as the bladder then sinks into the pelvis;when it is distended, the degree to which the peritoneum is lifted above the pubesdepends on the degree of distension. This will amount to one to two inches, and ifneed be can be increased by stripping the peritoneum off the bladder to some extent.The bladder can also be lifted still farther and made more accessible by inserting arubber bag into the rectum and distending it with water. Not over ten ounces shouldbe used in the rectal bag, lest rupture take place; and for a similar reason ratherless should be used in distending the bladder. The student, if possible, shoulddistend both of these viscera experimentally both before and after opening theabdomen.) The posterior surface is covered by peritoneum throughout. It corresponds, inthe male with the rectum; in the female with the uterus, some convolutions of thesm

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