. Anatomy, descriptive and surgical. exposed. The Prostate Gland is placed immediately in front of the neck of the bladderaround the prostatic portion of the urethra, its base being turned backward andits under surface toward the rectum. It is retained in its position by the Levatorprostatas and by the pubo-prostatic ligaments, and is invested by a dense fibrouscovering continued from the posterior layer of the deep perineal fascia. The long-est diameters of this gland are in the antero-posterior direction and transversely atits base; and hence the greatest extent of incision that can be made
. Anatomy, descriptive and surgical. exposed. The Prostate Gland is placed immediately in front of the neck of the bladderaround the prostatic portion of the urethra, its base being turned backward andits under surface toward the rectum. It is retained in its position by the Levatorprostatas and by the pubo-prostatic ligaments, and is invested by a dense fibrouscovering continued from the posterior layer of the deep perineal fascia. The long-est diameters of this gland are in the antero-posterior direction and transversely atits base; and hence the greatest extent of incision that can be made in it withoutdividing its substance completely across is obliquely outward and backward. Thisis the direction in which the incision is made through it in the operation of [lateral]lithotomy, the extent of which should seldom exceed an inch in length. The rela-tions of the prostate to the rectum should be noticed: by means of the finger intro-duced into the gut the surgeon detects enlargement or other disease of this organ; Fig. Artery of Corpus Artery of Penis Artery of BulbIntermal JPudic Artery Cowpers GrlunJ- A View of the Position of the Viscera at the Outlet of the Pelvis. he is enabled also by the same means to direct the point of a catheter when itsintroduction is attended with much difficulty either from injury or disease of themembranous or prostatic portions of the urethra. Behind the prostate is the posterior surface of the neck and base of the bladder:a small triangular portion of this organ is seen, bounded in front by the prostategland, behind by the recto-vesical fold of the peritoneum, on each side by the vesic-ulse seminales and vasa deferentia, and separated from direct contact with the rec-tum by the recto-vesical fascia. The relation of this portion of the bladder to the 1020 SURGICAL ANATOMY OF THE PERINEUM. rectum is of extreme interest to the surgeon. In cases of retention of urine thisportion of the organ is found projecting into
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