urethra

urethra (yu-re´thra)

A canal leading from the bladder, discharging the urine externally.urogenital canal; [G. ourethra]
anterior u. the portion of u. distal to urogenital diaphragm (external sphincter).
female u. a canal about 4 cm long passing from the bladder, in close relation with the anterior wall of the vagina and having a long axis that parallels that of the vagina, opening in the vestibule of the vagina posterior to the clitoris and anterior to the vaginal orifice.u. feminina [NA], u. muliebris;
u. femini´na [NA] female u
male u. a canal about 20 cm in length opening at the extremity of the glans penis; it gives passage to the spermatic fluid as well as the urine.u. masculina [NA], u. virilis;
u. masculi´na [NA] male u
membranous u. membranous part of male urethra
u. mulie´bris female u
penile u. spongy u
posterior u. the portion of u. posterior to the urogenital diaphram (external sphincter).
prostatic u. the prostatic part of the male urethra, about 2.5 cm in length, that traverses the prostate; it includes the seminal colliculus, and the ejaculatory and prostatic ducts open into it.pars prostatica urethrae [NA];
spongy u. the portion of the male urethra, about 15 cm in length, which traverses the corpus spongiosum.pars spongiosa urethrae masculinae [NA], pars cavernosa, penile u., spongy part of the male urethra;
u. viri´lis male u

 

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