The constrictions in the male urethra are located in which of the following regions.
A.internal urethral orifice B.external urethral orifice C.membranous part of urethra D.prostatic part E.cavernous part(海绵体部)正确答案ABC
The constrictions in the male urethra are located in which of the following regions.
A.internal urethral orifice B.external urethral orifice C.membranous part of urethra D.prostatic part E.cavernous part(海绵体部)正确答案ABC