ABDOMEN AND PELVIS 



441 



Urogenital Diaphragm (Diaphragma urogenitale) and " Middle Peri- 

 neal Compartment." (Figs. 226-229, 273, and 274.) 



The two dissectors should now work together. On one side 

 remove the M. ischiocavernosus and detach the cms penis from 



FIG. 226. 



Urethra 



Supra-urethral layer of lig 

 transversum pelvis 



V. dorsalis penis 



N. dorsalis penis 

 A. dorsalis penis 



A. bulbi urethrae 

 N. trans, perinei prof. 



Corp. cav. urethrae 



M. ischiocavernosus 



Cut edge of M. ischiocavernosus 



Corpus cavemosms penis 



Lig. transversum pelvis 



M. sphin. urethrae 

 membranaceae 



Fasc. diap. urogen. inf. 



Inferior surface of the urogenital diaphragm, (From Poirier et Charpy, Trait< d'Anat. hum., Paris, 



1901, t. V. p. 216, Fig. 145.) 



the pubic and ischiadic rami. Turn the crus aside, avoiding 

 injury to the dense fascia immediately beneath. Avoid injury 



FIG. 227. 



24, 



-Anterior layer | of the prostate-peritoneal 

 Z/ Posterior layer) aponeurosis 



... '"-. Fascia diaph. urogen. sup. 



"Central tendinous point of perineum and fasc. diaph. urogen. inf. 

 Fascia diaph. urogen. inf. passing beneath the bulb, ureth. 

 Fascia superfic. perinei 



ig. arcual. Preprostatic layer of lig. trans, pelvis 



pubis Lig. trans, pelvis 



Supra-urethral layer of the lig. trans, pelvis 



Pelvic and permeal fasciae; sagittal section. (From Poirier et Charpy, Traite d'Anat. hum., Paris, 



1901, t. v. p. 216, Fig. 144.) 



to the pudic artery and the dorsal nerve of the penis. On the 

 other side the dissection may be made without the removal of 

 the muscles. Use models to complete the study. Examine the 



