What's the difference between ring and urethra?

Ring


Definition:

  • (v. t.) To cause to sound, especially by striking, as a metallic body; as, to ring a bell.
  • (v. t.) To make (a sound), as by ringing a bell; to sound.
  • (v. t.) To repeat often, loudly, or earnestly.
  • (v. i.) To sound, as a bell or other sonorous body, particularly a metallic one.
  • (v. i.) To practice making music with bells.
  • (v. i.) To sound loud; to resound; to be filled with a ringing or reverberating sound.
  • (v. i.) To continue to sound or vibrate; to resound.
  • (v. i.) To be filled with report or talk; as, the whole town rings with his fame.
  • (n.) A sound; especially, the sound of vibrating metals; as, the ring of a bell.
  • (n.) Any loud sound; the sound of numerous voices; a sound continued, repeated, or reverberated.
  • (n.) A chime, or set of bells harmonically tuned.
  • (n.) A circle, or a circular line, or anything in the form of a circular line or hoop.
  • (n.) Specifically, a circular ornament of gold or other precious material worn on the finger, or attached to the ear, the nose, or some other part of the person; as, a wedding ring.
  • (n.) A circular area in which races are or run or other sports are performed; an arena.
  • (n.) An inclosed space in which pugilists fight; hence, figuratively, prize fighting.
  • (n.) A circular group of persons.
  • (n.) The plane figure included between the circumferences of two concentric circles.
  • (n.) The solid generated by the revolution of a circle, or other figure, about an exterior straight line (as an axis) lying in the same plane as the circle or other figure.
  • (n.) An instrument, formerly used for taking the sun's altitude, consisting of a brass ring suspended by a swivel, with a hole at one side through which a solar ray entering indicated the altitude on the graduated inner surface opposite.
  • (n.) An elastic band partly or wholly encircling the spore cases of ferns. See Illust. of Sporangium.
  • (n.) A clique; an exclusive combination of persons for a selfish purpose, as to control the market, distribute offices, obtain contracts, etc.
  • (v. t.) To surround with a ring, or as with a ring; to encircle.
  • (v. t.) To make a ring around by cutting away the bark; to girdle; as, to ring branches or roots.
  • (v. t.) To fit with a ring or with rings, as the fingers, or a swine's snout.
  • (v. i.) To rise in the air spirally.

Example Sentences:

  • (1) The Tyr side chain had two conformations of comparable energy, one over the ring between the Gln and Asn side chains, and the other with the Tyr side chain away from the ring.
  • (2) Sterile, pruritic papules and papulopustules that formed annular rings developed on the back of a 58-year-old woman.
  • (3) The teeth were embedded in phenolic rings with acrylic resin.
  • (4) Surgical removal was avoided without complications by detaching it with a ring stripper.
  • (5) The Labour MP urged David Cameron to guarantee that officers who give evidence over the alleged paedophile ring in Westminster will not be prosecuted.
  • (6) These results coupled with previous studies support activation of benz[j]aceanthrylene via both 2 and cyclopenta ring epoxidation.
  • (7) TK1 showed the most restricted substrate specificity but tolerated 3'-modifications of the sugar ring and some 5-substitutions of the pyrimidine ring.
  • (8) Endothelium-dependent relaxations to acetylcholine and endothelium-independent relaxations to nitric oxide were observed in rings from both strains during contraction with endothelin.
  • (9) Aortic rings from the rabbit were similarly potently antagonized by the protein kinase C inhibitors, however, K(+)-induced contractions were also equally sensitive to these agents in both rat and rabbit tissues.
  • (10) The intracellular distribution and interaction of 19S ring-type particles from D. melanogaster have been analysed.
  • (11) Rings of isolated coronary and femoral arteries (without endothelium) were suspended for isometric tension recording in organ chambers filled with modified Krebs-Ringer bicarbonate solution.
  • (12) In all cases Richter's hernia was at the internal inguinal ring.
  • (13) Seventy-five hands showed normal distal latency, in which cases, however, the SNCV of the ring finger was always outside the normal range, while the SNCVs of the thumb, index and middle fingers were abnormal in 64%, 80% and 92% of cases respectively.
  • (14) The cells are predominantly monopolar, tightly packed, and are flattened at the outer border of the ring.
  • (15) Defects in the posterior one-half of the trachea, up to 5 rings long, were repaired, with minimal stenosis.
  • (16) A new analog of salmon calcitonin (N alpha-propionyl Di-Ala1,7,des-Leu19 sCT; RG-12851; here termed CTR), which lacks the ring structure of native calcitonin, was tested for biological activity in several in vitro and in vivo assay systems.
  • (17) The chemical shift changes observed on the binding of trimethoprim to dihydrofolate reductase are interpreted in terms of the ring-current shift contributions from the two aromatic rings of trimethoprim and from that of phenylalanine-30.
  • (18) Three strains of fluorescent pseudomonads (IS-1, IS-2, and IS-3) isolated from potato underground stems with roots showed in vitro antibiosis against 30 strains of the ring rot bacterium Clavibacter michiganensis subsp.
  • (19) Both adiphenine.HCl and proadifen.HCl form more stable complexes, suggesting that hydrogen bonding to the carbonyl oxygen by the hydroxyl-group on the rim of the CD ring could be an important contributor to the complexation.
  • (20) Serial sections from over a hundred such structures show that these are tubular structures and that the 'test-tube and ring-shaped' forms described in the literature are no more than profiles one expects to see when a tubular structure is sectioned.

Urethra


Definition:

  • (n.) The canal by which the urine is conducted from the bladder and discharged.

Example Sentences:

  • (1) In one of them, who sustained a complete membranous disruption 5 weeks ago, transluminal puncture failed because of the movable proximal urethra.
  • (2) In 36 patients plastic reconstruction of the urinary bladder, sphincter and urethra was performed with local tissues after the Young technic in the G. A. Bairov modification.
  • (3) Manual compression of the bladder elicited urine leakage from the urethra, and the urethral closure pressure was markedly low.
  • (4) The acrosin inhibitors are localized in the mucosa cells of the cauda epididymis, the vas deferens, the seminal vesicles, the urethra and distinct glandular units of the prostate.
  • (5) During unstable detrusor contractions, which even in these healthy women are observed during bladder filling and also during inhibited voidings through the urethra, the contraction is weaker.
  • (6) We concluded that this case was incidentally successful with good regeneration of urethral mucosa of the anterior urethra by grafting a polytetrafluoroethylene tube.
  • (7) All the examinees showed no organic changes in the prostate and urethra.
  • (8) The results are not simply explained by postulating electrically induced closure of the urethra.
  • (9) Spinning top urethra (STU) is a term used to describe a widened posterior urethra seen mainly in girls.
  • (10) The dysfunction is due partly to direct trauma of the bladder and urethra.
  • (11) The two halves of the glans are brought to the midline, thus covering the glanular urethra, and producing a normal appearing glans.
  • (12) The relaxation effects of prazosin and bunazosin on the distal urethra was weaker than on the proximal urethra.
  • (13) The majority were investigated at the bedside by taking films and cultures from the cervix and urethra.
  • (14) After rhizotomy, noradrenaline content in the proximal urethra was significantly increased but there was no change in sensitivity to sympathetic stimulation.
  • (15) Partial resection of anterior urethra including tumor was performed on December 20, 1983.
  • (16) This surgical procedure involves removing the penile urethra and creating a permanent stoma between the skin and pelvic urethra.
  • (17) In 20-35 per cent of short (up to 05 cm) urethral stenosis or cicatricial obliterations of urethra it was found advisable to start the treatment with nonoperative technique.
  • (18) The sphincter urethrae muscle is located inside the sling of the puborectalis muscle in both sexes, but no muscle fibres connect them to one another.
  • (19) The complication rate was astonishingly low during IUSC: being only 4.3% (2 male patients, one with stricture of the urethra and epididymitis, one with autonomous dysreflexia with bladder overdistension).
  • (20) The results appear to offer pharmacological evidence for the recently evolving intricate innervation pattern of the urethra including its distal portion, where the alpha-adrenergic system is believed to be important.