ABDOMEN AND PELVIS 435 



(1) Anal region (regie analis). 



(2) Urogenital region (regio urogenitalis) . 



(Vide Figs. 219 and 220.) 



The region anterior to the latter, comprising the external 

 organs of generation, is known as the pudeudal region (regio 

 pudendalis). Determine exactly the boundaries of these differ- 

 ent regions. 



FIG. 220. 



The perineal region in the female. (After His, Die Anat, Nom., Leipzig, 1895, p. 105.) 



Examine the external genitalia, comparing the parts of the 

 male and the female, noting differences and homologies. 



External Genital Parts in Male (Partes genitales externae). 



(a) Body of penis (corpus penis}. 



(b) Dorsum of penis (dorsum penis). 



(c) Urethral surface (fades urethralis). 



(d) Glans penis. 



(da) Corona glandis. 



(db) Septum of glans (septum glandis). 



(dc) Neck of glans (collum glandis). 



(e) Prepuce (praeputium). 



(ea) Frenulum of prepuce (frenulum praeputii}. 



(eb) Preputial glands (Gl. praeputiales) . 



(eba) Secretion (smegma praeputii). 



(f) External urethral orifice (orificium urethrae externum). 



(g) Scrotum. 



(ga) Raphe of scrotum (raphe scroti), continuous with the raplie 

 penis. 



