Urn mosses (Bot.), the order of true mosses; — so called because the
capsules of many kinds are urn- shaped.
Urn, v. t. To inclose in, or as in, an urn; to inurn.
When horror universal shall descend, And heaven's dark concave urn all
human race.
Young.
Urn"al (?), a. Of or pertaining to an urn; effected by an urn or urns.
"Urnal interments." Sir T. Browne.
Urn"ful (?), n.; pl. Urnfuls (&?;). As much as an urn will hold; enough
to fill an urn.
Urn"-shaped` (?), a. Having the shape of an urn; as, the urn-shaped
capsules of some mosses.
U"ro- (?). A combining form fr. Gr. o'y^ron, urine.
U"ro-. A combining form from Gr. o'yra`, the tail, the caudal
extremity.
U`ro*bi"lin (?), n. [1st uro- + bile + -in.] (Physiol. Chem.) A yellow
pigment identical with hydrobilirubin, abundant in the highly colored
urine of fever, and also present in normal urine. See Urochrome.
U"ro*cele (?), n. [1st uro + Gr. &?; tumor.] (Med.) A morbid swelling
of the scrotum due to extravasation of urine into it.
||U`ro*cer"a*ta (?), n. pl. [NL., fr. Gr. &?; tail + &?;, &?;, horn.]
||(Zoöl.) A division of boring Hymenoptera, including Tremex and allied
||genera. See Illust. of Horntail.
||
U"ro*chord (?), n. [2d uro- + chord.] (Zoöl.) The central axis or cord
in the tail of larval ascidians and of certain adult tunicates.
[Written also urocord.]
||U`ro*chor"da (?), n. pl. [NL. See Urochord.] (Zoöl.) Same as Tunicata.
||
U`ro*chor"dal (?), a. (Zoöl.) Of or pertaining to the Urochorda.
U"ro*chrome (?), n. [1st uro- + Gr. &?; color.] (Physiol. Chem.) A
yellow urinary pigment, considered by Thudichum as the only pigment
present in normal urine. It is regarded by Maly as identical with
urobilin.
U"rochs (?), n. (Zoöl.) See Aurochs.
U"ro*cord (?), n. (Zoöl.) See Urochord.
U"ro*cyst (?), n. [1st uro- + cyst.] (Anat.) The urinary bladder.
||U`ro*de"la (?), n. pl. [NL.; Gr. &?; tail + &?; visible.] (Zoöl.) An
||order of amphibians having the tail well developed and often long. It
||comprises the salamanders, tritons, and allied animals.
||
U"ro*dele (?), n. (Zoöl.) One of the Urodela.
U`ro*de"li*an (?), a. (Zoöl.) Of or pertaining to the Urodela. — n. One
of the Urodela.
U`ro*e*ryth"rin (?), n. [See 1st Uro-, and Erythrin.] (Physiol. Chem.)
A reddish urinary pigment, considered as the substance which gives to
the urine of rheumatism its characteristic color. It also causes the
red color often seen in deposits of urates.
U`ro*gas"tric (?), a. [2d uro- + gastric.] (Zoöl.) Behind the stomach;
— said of two lobes of the carapace of certain crustaceans.
U`ro*gen"i*tal (?), a. [1st uro- + genital.] (Anat.) Same as
Urinogenital.
U`ro*glau"cin (?), n. [1st uro- + L. glaucus bright.] (Physiol. Chem.)
A body identical with indigo blue, occasionally found in the urine in
degeneration of the kidneys. It is readily formed by oxidation or
decomposition of indican.
U`ro*hæm"a*tin (?), n. [1st uro- + hæmatin.] (Physiol. Chem.) Urinary
hæmatin; — applied to the normal coloring matter of the urine, on the
supposition that it is formed either directly or indirectly (through
bilirubin) from the hæmatin of the blood. See Urochrome, and Urobilin.
U`ro*hy"al (?), a. [2d uro- + the Gr. letter .] (Anat.) Of or
pertaining to one or more median and posterior elements in the hyoidean
arch of fishes. — n. A urohyal bone or cartilage.
U*rol"o*gy (?), n. [1st uro- + - logy.] (Med.) See Uronology.
U"ro*mere (?), n. [2d uro- + - mere.] (Zoöl.) Any one of the abdominal
segments of an arthropod.
U`ro*nol"o*gy (?), n. [Gr. &?; urine + - logy.] (Med.) That part of
medicine which treats of urine. Dunglison.
U"ro*pod (?), n. [2d uro- + - pod.] (Zoöl.) Any one of the abdominal
appendages of a crustacean, especially one of the posterior ones, which
are often larger than the rest, and different in structure, and are
used chiefly in locomotion. See Illust. of Crustacea, and Stomapoda.
U*rop"o*dal (?), a. (Zoöl.) Of or pertaining to a uropod.