U*re"do*spore (?), n. (Bot.) The thin-walled summer spore which is
produced during the so-called Uredo stage of certain rusts. See (in the
Supplement) Uredinales, Heterœcious, etc.
U"re*ide (?), n. (Chem.) Any one of the many complex derivatives of
urea; thus, hydantoin, and, in an extended dense, guanidine, caffeine,
et., are ureides. [Written also ureid.]
-u*ret (?). A suffix with the same meaning as -ide. See -ide. [Obs.]
||U*re"ter (?; 277), n. [NL., fr. Gr. &?;. See Urine.] (Anat.) The duct
||which conveys the urine from the kidney to the bladder or cloaca.
||There are two ureters, one for each kidney.
||
||U*re`ter*i"tis (?), n. [NL. See Ureter, and -itis.] (Med.)
||Inflammation of the ureter. Dunglison.
||
U*reth"ane (?), n. (Chem.) A white crystalline substance, NH2.CO.OC2H5,
produced by the action of ammonia on ethyl carbonate. It is used
somewhat in medicine as a hypnotic. By extension, any one of the series
of related substances of which urethane proper is the type.
||U*re"thra (?), n. [L., fr. Gr. &?;. See Urine.] (Anat.) The canal by
||which the urine is conducted from the bladder and discharged.
||
U*re"thral (?), a. Of or pertaining to the urethra.
Urethral fever (Med.), fever occurring as a consequence of operations
upon the urethra.
||U`re*thri"tis (?), n. [NL. See Urethra, and -itis.] (Med.)
||Inflammation of the urethra.
||
U*re"thro*plas`ty (?), n. [Urethra + -plasty.] (Surg.) An operation for
the repair of an injury or a defect in the walls of the urethra. —
U*re`thro*plas"tic (#), a.
U*re"thro*scope (?), n. [Urethra + -scope.] (Med.) An instrument for
viewing the interior of the urethra.
U`re*thros"co*py (?), n. (Med.) Examination of the urethra by means of
the urethroscope.
U*re"thro*tome (?), n. [Urethra + Gr. &?; to cut.] An instrument for
cutting a urethral stricture.
U`re*throt"o*my (?), n. [Urethra + Gr. &?; to cut.] (Surg.) An incision
of the urethra, esp. incision for relief of urethral stricture.
U*ret"ic (?), a. [L. ureticus, Gr. &?;. See Urine.] (Med.) Of or
pertaining to the urine; diuretic; urinary; as, uretic medicine.
Urge (?), v. t. [imp. & p. p. Urged (?); p. pr. & vb. n. Urging (?).]
[L. urgere; akin to E. wreak. See Wreak, v. t.]