单词 | urethra |
释义 | urethra[ yoo-ree-thruh ] / yʊˈri θrə / noun, plural u·re·thrae [yoo-ree-three], /yʊˈri θri/, u·re·thras.Anatomy.the membranous tube that extends from the urinary bladder to the exterior and that in the male conveys semen as well as urine. Origin of urethraFirst recorded in 1625–35; from Late Latin ūrēthra, from Greek ourḗthra, equivalent to ourē- + -thra noun suffix; see ureter OTHER WORDS FROM urethrau·re·thral, adjectivesub·u·re·thral, adjectivetrans·u·re·thral, adjectiveWORDS THAT MAY BE CONFUSED WITH urethraureter, urethraWords nearby urethraureteroureterostomy, ureterovesicostomy, ureters, urethane, urethr-, urethra, urethral artery, urethral caruncle, urethral crest, urethralgia, urethral gland Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for urethraBritish Dictionary definitions for urethraurethra / (jʊˈriːθrə) / noun plural -thrae (-θriː) or -thrasthe canal that in most mammals conveys urine from the bladder out of the body. In human males it also conveys semen Derived forms of urethraurethral, adjectiveWord Origin for urethraC17: via Late Latin from Greek ourēthra, from ourein to urinate Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Cultural definitions for urethraurethra [ (yoo-ree-thruh) ] A tube through which urine moves from the urinary bladder out of the body. In the male, the urethra also acts as the passageway for semen. The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. Medical definitions for urethraurethra [ yu-rē′thrə ] n. pl. u•re•thrasThe canal through which urine is discharged from the bladder in most mammals and through which semen is discharged in the male.urogenital canal Other words from urethrau•re′thral adj.The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for urethraurethra [ yu-rē′thrə ] Plural urethras urethrae (yu-rē′thrē)The duct through which urine passes from the bladder to the outside of the body in most mammals and some fish and birds. In males, the urethra passes through the penis and also serves as the duct for the release of sperm, which enter the urethra from the vas deferens. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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