Man's urethral noun encyclopaedia of _ andrology

Man's urethral noun encyclopaedia of _ andrology
The urethra leads to the external pipeline from the bladder. Unless slender in urethras male, unless about 18cm long, get up since mouth in urethra of bladder,at at external urethral orifice, in the journey through prostate portion, membrane portion and corpora cavernosa penis portion, male urethra have concurrently, urinate and rank the precise function. The male urethra has sphincter formed of a belt striated muscle in the urethral film portion, called the other sphincter of urethra, is controlled by consciousness.
Men urethral male urethra urinate on the way to arrange the precise pipeline. Start from the mouth in the urethra, stop in the most advanced external urethral orifice of glans penis, the adult is about 18 centimetres long, the whole journey can be divided into three departments: Prostate portion ( Cross the part of the prostate) Membrane portion (cross the intersection of urine and the intersection of reproduction and diaphragmatic part, it is about 1.2 centimetres long) With the body portion of the sponge ' Cross the part of the body of urethral sponge) ,The urethra behind full name of general's prostate portion of clinic and membrane portion is, the urethra before the body portion of the sponge is called.
Three are narrow with two pieces of bending that there are the male urethras in the whole journey. It is mouth, film portion and external urethral orifice in the urethra that three are narrow. Two bending lie the intersection of pubic symphysis and below separately and in front of the pubic symphysis.
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