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Laboratory 44. The Male Pelvis
Step 6. The Urethra

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The male urethra has two distinct angles which have clinical importance during urethral catheterization. When inserting the catheter, the angles of the urethra must be considered. Identify the first angle [catheter in the urethra] which occurs at the bulb of the penis. The second angle [indicated by the probe with catheter in the urethra] is present at the proximal end of the free pendulous part of the penis. This angle can be reduced during catheterization by lifting the penis (Figure 44.4).
   

Links and References:
Grant's: 3.28
Netter (1ed.): 363, 342 (2ed.): 359, 338
Rohen/Yokochi: 317, 319