URETHROTOMY 



1576 



URINARY 



Urethrotomy (« - re - throt' '- o - me) [ovpifipa, urethra; 

 t£/uveiv, to cut]. Incision of the urethra for stricture 

 by a urethrotome or other instrument. U., Cock's Ex- 

 ternal, laying open the perineum without a guide, for 

 an impervious stricture of the urethra. U., External, 

 incision of the urethra through its external wall. 

 U., Internal, incision of urethral stricture by a blade 

 introduced into its lumen. U., Syme's External, 

 an operation in which an incision is made through 

 the perineum upon a grooved director passed through 

 the stricture. U., Wheelhouse's External, an opera- 

 tion in which an opening is made into the urethra 

 anterior to the stricture and a grooved director is 

 passed through it into the bladder and the stricture 

 divided. See, also, Operations, Table of . 



Urethro-vaginal {ti-re f -thro-vaj' '-in-al) [opv//(ipa, ure- 

 thra; vagina, vagina]. Pertaining to the urethra and 

 the vagina. 



Urethro-vesical [ic-re-thro-ves'-ik-al)[ovprflpa, urethra ; 

 vesica, bladder]. Pertaining to the urethra and the 

 bladder. 



Uretic {ti-ret'-ik) [ovpT/TiKo^. I. Pertaining to urine ; 

 stimulating the flow of urine. 2. An agent or medi- 

 cine that stimulates the flow of urine. 



Urginea {ur-jin'-e-ah) \_nrgere, to press]. A genus of 

 liliaceous plants. U. scilla, the plant that produces 

 the official squill. See Scilla. 



Uric (ti'-rik) [urina, urine]. Derived from or belonging 

 to the urine. U. Acid, one of a series of three sub- 

 stances ( C 5 H 4 N 4 = hypoxanthin ; C 5 H 4 N 4 2 = 

 xanthin ; C 5 H 4 N 4 3 = uric acid), each differing 

 from the preceding by an atom of oxygen. Hor- 

 baczewski has indicated the possibility of the forma- 

 tion of uric acid from the nuclein of cells. 



Uricacidemia (u-rik-as-id-e'-ine-ah) [ urina, urine; 



acidus, acid ; aifia, blood]. The presence of a demon 

 strable amount of uric acid in the blood. It is sai 

 to produce various nervous symptoms, such as head 

 ache ; according to Haig, it is reponsible for man 

 and varied phenomena. 



Uricedin {u-re-se' -din)[urina, urine]. A new proprietar 

 remedy suggested for the treatment of gout. It is sai- 

 to dissolve uric acid. It is a white, granular substance 

 readily soluble in water. After its administration th 

 urine is capable of dissolving, in vitro or on a uric-aci 

 filter, large quantities of uric acid. 



Uricemia, Uricaemia {ii-ris-e'-me-ah) [urina, urine 

 ai/na, blood]. The presence of uric acid in the bloo 

 on account of the failure of the red blood-corpuscles t 

 oxidize the acid ; lithemia. See Uricacidet)iia. 



Uridrosis (u-rid-ro'-sis) [urina, urine ; «ipwc, sweat 

 Sudor urinosus, a pathologic condition characterize 

 by the presence of urea in the sweat. It is notict 

 able in cholera, uremia, atrophy of the kidneys, an 

 in some cases of artificially induced diapboresi 

 U. crystallina, a condition in which the salines c 

 the sweat, together with elements of the urine, crysta 

 lize upon the skin in reddish-white granules. 



Urinaccelerator [u-rin-ak-sel' '-er-a-tor) [ttrina, urinej 

 accelerare, to accelerate]. The accelerator urin;j 

 See Muscles, Table of. 



Urinal [u'-rin-al) [urina, urine]. A vessel for r 

 ceiving urine. 



Urinalysis (u-rin-al'-is-is) [urina, urine; Avatg, loci 

 ing]. The analysis of the urine. 



Urinary {id -rin-a-re) [urina, urine]. Pertaining 

 urine. U. Bladder. See Bladder. U. Calculu, 

 a stony concretion found in the urinary passages. 

 table of the different varieties of urinary calculi is a! 

 pended : — 



ANALYSIS OF URINARY CALCULI. 



