| 释义 |
urethra Anat.|jʊˈriːθrə|
[a. late L. ūrēthra (whence F. urèthre, urètre, It., Sp., Pg. uretra, Pg. urethra), a. Gr. οὐρήθρα, f. οὐρεῖν to urinate.]
The membranous tube or canal through which the urine is discharged from the bladder.
1634Johnson tr. Paré's Wks. xix. i. 723 There bee some who have the Urethra or passage of the yard obstructed by budding caruncles. 1638A. Reid Anat. Body of Man 215 There is no conspicuous passage, by the which the seed passeth into the urethra. 1682T. Gibson Anat. xix. (1684) 127 In Men it [sc. the neck of the bladder] is longer and narrower, and..opens into the Urethra. 1732Arbuthnot Rules of Diet iv. (1736) 428 In the Urethra, or Passage of the Urine from the Bladder. c1790Encycl. Brit. (ed. 3) V. 271/2 The urethra..terminates in the podex. 1840G. V. Ellis Anat. 584 The urethra..reaches from the bladder to the extremity of the penis in the male, or to the vulva in the female. 1880Lancet 24 Jan. 119/1 The urethræ of men differ in calibre. 1884W. Pye Surg. Handicraft 465 Normal urethras differ greatly in their calibre.
attrib. and Comb.1875Knight Dict. Mech. 2684/2 Urethra-cutter.., an instrument for enlarging the urethral canal..in case of stricture. Ibid., Urethra-syringe,..a syringe with a long nozzle. |