Dissection and physiology of male genitals

Dissection and physiology of male genitals
The reproduction device A, penis outside men: Made up of two pieces of corpora cavernosa penis and body of a urethral sponge, the glans penis is also called the glans penis, the external urethral orifice is in its shank. It is extremely sensitive that glans penis and penis shank stimulate the sex, the penis is the sexual intercourse organ, have function of urinating and ejaculating concurrently. B, urethra: Total length is about 12 centimetres, inner mouth is connected with the bladder, the other mouth urinates and arranges the precise passway on the glans penis of the penis. C, scrotum: Protect testises, regulate the body temperature, help the function that the sperm produces and stores. The genitals in men: A, testis: In scrotum, all one left and right sides, oval in shape. Produce sperms and secrete the body of endocrine of man sex hormone. B, epididymis: Above the back lie testis, all one left and right sides. The sperm whose testis emerges manages through exporting, stores in the epididymis. C, spermatic duct: One respectively left and right sides, it is the pipeline which transports the sperm. D, prostate: Seminal vesicle gland, bulbourethral gland are three gonads, open in the urethra, their secretion and seminal fluid are sperms produced by testis and liquid (referred to as the precise thick liquid) secreted by prostate, seminal vesicle gland, bulbourethral gland,etc. Make up together.

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