| 释义 |
vas deferens
vas def·er·ens V0034800 (dĕf′ər-ənz, -ə-rĕnz′)n. pl. vasa def·er·en·ti·a (dĕf′ə-rĕn′shē-ə) A duct through which semen is carried from the epididymis of each testicle to an ejaculatory duct.
[New Latin vās dēferēns : vās, duct + Latin dēferēns, present participle of dēferre, to carry away.]vas deferens (ˈvæs ˈdɛfəˌrɛnz) n, pl vasa deferentia (ˈveɪsə ˌdɛfəˈrɛnʃɪə) (Anatomy) anatomy the duct that conveys spermatozoa from the epididymis to the urethra[C16: from New Latin, from Latin vās vessel + deferēns, present participle of deferre to bear away]vas de•fe•rens (ˈvæs ˈdɛf əˌrɛnz, -ər ənz)
n., pl. va•sa de•fe•ren•ti•a (ˈveɪ sə ˌdɛf əˈrɛn ʃi ə, -ʃə) a duct that transports sperm from the epididymis to the penis. [1880–85; < New Latin vās dēferēns literally, vessel for carrying off] vas def·er·ens (văs′ dĕf′ə-rĕnz′) Either of two ducts through which sperm passes from a testis to the urethra.vas deferens(or ductus deferens; pl. vasa deferentia) One of a pair of muscular tubes that are the sperm’s outlet from the epididymis.Thesaurus| Noun | 1. | vas deferens - a duct that carries spermatozoa from the epididymis to the ejaculatory ductductus deferensduct, epithelial duct, canal, channel - a bodily passage or tube lined with epithelial cells and conveying a secretion or other substance; "the tear duct was obstructed"; "the alimentary canal"; "poison is released through a channel in the snake's fangs"male reproductive system - the reproductive system of malesballock, bollock, testicle, testis, orchis, egg, ball, nut - one of the two male reproductive glands that produce spermatozoa and secrete androgens; "she kicked him in the balls and got away"seminal duct - the efferent duct of the testis in man |
Translationsvas deferens
vas deferens: see reproductive systemreproductive system,
in animals, the anatomical organs concerned with production of offspring. In humans and other mammals the female reproductive system produces the female reproductive cells (the eggs, or ova) and contains an organ in which development of the fetus takes
..... Click the link for more information. ; vasectomyvasectomy,
male sterilization by surgical excision of the vas deferens, the thin duct that carries sperm cells from the testicles to the prostate and the penis. Vasectomy is a popular method of birth control: in 1983, figures showed that approximately 10 million men had been
..... Click the link for more information. .vas deferens[′vas ′def·ə·rənz] (anatomy) The portion of the excretory duct system of the testis which runs from the epididymal duct to the ejaculatory duct. Also known as ductus deferens. vas deferens Anatomy the duct that conveys spermatozoa from the epididymis to the urethra vas deferens
vas [vas] (pl. va´sa) (L.) vessel. adj., adj va´sal.vas aber´rans 1. a blind tube sometimes connected with the epididymis; a vestigial mesonephric tube.2. any anomalous or unusual vessel.va´sa afferen´tia vessels that convey fluid to a structure or part.va´sa bre´via short gastric arteries.vas de´ferens ductus deferens.va´sa efferen´tia vessels that convey fluid away from a structure or part.va´sa lympha´tica lymphatic vessels.va´sa prae´via the presentation, in front of the fetal head during labor, of the blood vessels of the umbilical cord where they enter the placenta.va´sa rec´ta re´nis long U-shaped vessels arising from the efferent glomerular arterioles of juxtamedullary nephrons and supplying the renal medulla. Called also arteriolae rectae renis.va´sa vaso´rum the small nutrient arteries and veins in the walls of the larger blood vessels.duc·tus def·er·ens [TA] the secretory duct of the testicle, extending from the epididymis, of which it is the continuation, to its merging with the excretory duct of the seminal gland to form the ejaculatory duct. Synonym(s): deferent canal, deferent duct, spermatic duct, spermiduct (1) , testicular duct, vas deferensvas deferens (dĕf′ər-ənz, -ə-rĕnz′)n. pl. vasa deferentia (dĕf′ə-rĕn′shē-ə) A duct through which semen is carried from the epididymis of each testicle to an ejaculatory duct.duc·tus def·er·ens (dŭk'tŭs def'ĕr-enz) [TA] The secretory duct of the testicle, running from the epididymis, of which it is the continuation, to the prostatic urethra where it terminates as the ejaculatory duct.
Synonym(s): arteriola glomerularis efferens [TA] , deferent duct, spermatic duct, spermiduct (1) , vas deferens.  VAS DEFERENS AND OTHER MALE ORGANSvas deferensThe secretory duct of the testis, a continuation of the epididymis. This slim, muscular tube, approx. 18 in (45.7 cm) long, transports the sperm from each testis to the ejaculatory duct, which empties into the prostatic urethra. Synonym: ductus deferens See: illustration; genitalia for illus.See also: vasvas deferens The fine tube that runs up in the SPERMATIC CORD on each side from the EPIDIDYMIS of the TESTICLE, over the pubic bone and alongside the bladder to end by joining the seminal vesicle near its entry to the PROSTATE GLAND. The vas deferens conveys spermatozoa from the testicle to the seminal vesicle. See also VASECTOMY.vas deferens (pl. vasa deferentia) a duct conveying sperm from the TESTIS to the exterior in invertebrates or, in vertebrates, to the cloaca or URETHRA and hence to the outside.Vas deferensA tube that is a continuation of the epididymis. This tube transports sperm from the testis to the prostatic urethra.Mentioned in: Testicular Self-Examinationvas deferens
Synonyms for vas deferensnoun a duct that carries spermatozoa from the epididymis to the ejaculatory ductSynonymsRelated Words- duct
- epithelial duct
- canal
- channel
- male reproductive system
- ballock
- bollock
- testicle
- testis
- orchis
- egg
- ball
- nut
- seminal duct
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