UROPOIESIS 



1582 



URTICARIA 



Uropoiesis (u-ro-poi-e f -sis) [ovpov, urine ; izoteeiv, to 

 make]. The secretion of the urine by the kidneys. 



Uropoietic [ti-ro-poi-cf '-ik) [ovpov, urine ; iroieeiv, to 

 make]. Concerned in uropoiesis ; uriniparous. 



Uropsammus (u-rop-sam' -us) [ovpov, urine ; ipd/i/iog, 

 sand]. Urinary sand, or gravel. 



Uropygial (u-ro-pij'-e-al) [ovpoizvyiov, rump]. Per- 

 taining to the Uropygium. 



Uropygii, Glandula. The uropygial gland of a bird. 

 See Gland. 



Uropygium {ti-ro-pij'-e-um) [ovpa, tail; nvyrj, rump : 

 pi. , Uropygia~\. In biology, the rump. 



Uropyloric [u-ro-pi-lor f -ik) [ovpa, tail ; nvlupog, a gate- 

 keeper]. In biology, of or pertaining to the posterior 

 portion of the pyloric division of the stomach of cer- 

 tain Crustaceans. 



Urorhodin (ii-ro-ro'-diii) [ovpov, urine; pdoov, rose]. 

 A red pigmentary deposit found in urine and derived 

 by alteration from uroxanthin. 



Urorosein {ii-ro-ro' '-ze-in) [ovpov, urine ; rosein\. A 

 rose-colored pigment found in the urine in various 

 diseases. 



Urorrhagia (ii-ror-a' '-je-ah) [ovpov, urine ; prjyvvvai, to 

 burst forth]. Excessive secretion and discharge of 

 urine. 



Urorrhea (u-ror-e' -ah) [ovpov, urine; poia, a flow], i. 

 The ordinary, normal flow of the urine. 2. The in- 

 voluntary passage of urine. 



Urorubin [u-ro-ru' '-bin) [ovpov, urine ; rubus, red]. A 

 red urinary pigment. 



Urorubrohematin (u-ro- ru - bro - hem f - at - in ) [ovpov, 

 urine ; rubrum, red ; al/ua, blood]. A urinary pigment 

 obtained from the urine of leprous patients. 



Urosacral {u-ro-sa f -kral) [ovpa, the tail; sacrum, 

 sacrum]. Pertaining to the tail and the sacrum. 



Uroscheocele (u-ros' ' -ke-o-sel). See Urocele. 



Uroschesis (u-ros' -kes-is) [ovpov, urine ; a%t o~ig, reten- 

 tion]. Suppression of urine. 



Uroscopic (u-ro-skop'-ik). Same as Urinoscopic. 



Uroscopist (u-ros' -ko-pist) [ovpov, urine; anoirelv, to 

 view]. One who makes a specialty of urinary exami- 

 nations. 



Uroscopy (u-ros' -ho-pe) [ovpov, urine ; okoweiv, to ex- 

 amine]. Examination and analysis of the urine. 



Urosepsis (u-ro-sep'-sis) [ovpov, urine; crf/ijjig, sepsis]. 

 The condition of intoxication due to the extravasation 

 of urine. 



Uroseptic (u-ro-sep'-tik) [ovpov, urine ; or/ijjig, sepsis]. 

 Relating to or characterized by urosepsis. 



Urosis {u-ro' -sis) [ovpov, urine ; v6aog, disease : //. , 

 I/roses'], In pathology, any disease of the urinary 

 organs. 



Urosomatic (u-ro-so-maf -ik) [ovpa, tail; au/ia, body]. 

 Pertaining to the urosome. 



Urosome (u' ' -ro-som) [ovpa, tail ; au/na, body]. In bi- 

 ology : (a) The last segment of the tail of a vertebrate ; 

 (b) the abdomen or post-abdomen of an arthropod. 



Urosomite (u-ro-so'-mlt). Same as Uromere. 



Urosomitic (u-ro-so-niif '-ik) [ovpa, tail; au/ia, body]. 

 Pertaining to a urosomite. 



Urospasm (u> '-ro-spazm)[6vpov, urine ; arraa/tdg, spasm]. 

 Spasm of some part of the urinary tract. 



Urostealith (u-ro-ste'-al-ith) [ovpov, urine; oreap, fat ; 

 Tiifiog, stone] . A fatty or saponaceous matter occurring 

 in some urinary calculi. 



Urostegal (u'-ro-ste-gal) [ovpa, tail ; GTEyrj, a roof]. 

 Pertaining to the urosteges. 



Urostege («' '-ro-sttj) [ovpa, tail ; Griyr/, a roof]. In 

 biology, one of the large scales on the ventral side of 

 the tail of a snake. Cf. Gastrostege. 



Urostegite (u'-ro-ste-jit) [ovpa, tail; artyi], roof]. 

 One of the urosteges, or urostegal scales. 



Urosteon (u-ros' -te-on) [ovpa, tail ; oct'eov, bone]. In 

 biology, the caudal portion of the sternum of certain 

 birds, having a separate center of ossification. 



Urosternite (u-ro-ster' '-nit) [ovpa, tail; areprjov, ster- 

 num]. The sternite, or ventral median sclerite, of 

 any somite of the urosome of an arthropod. 



Urosthene (u'-ros-then) [ovpa, tail ; oflevog, strength]. 

 In biology, an animal possessing an unusual develop- 

 ment of the tail. 



Urosthenic (u-ro-sthen' '-ik)[ovpd, tail ; cdhor, strength]. 

 Strong in the tail. 



Urostylar (u-ro-sti' -lar) [ovpa, tail ; gtv?mq, column]. 

 Pertaining to a urostyle. 



Urostyle (u' '-ros-tll) [ovpa, tail; gtvIoc, column]. In 

 biology, the elongated terminal vertebra of the spinal 

 column of certain animals, as the os coccygis of the 

 frog. 



Urotheobromin (u-ro-lhe-o-bro'-min). See Paraxan- 

 thin. 



Urotoxic (u-ro-toks' '-ik) [ovpov, urine ; to^ikSv, poison]. 

 Pertaining to poisonous substances eliminated in the 

 urine. 



Urotoxy (u'-ro-toks-e) [ovpov, urine ; to^ik6v, poison], 

 A term invented by Bouchard to denote the standard 

 of toxicity of urine necessary to kill a kilogram of liv- 

 ing substance. 



Urous (u'-rus) [ovpov, urine]. Having the nature of 

 urine. 



Uroxanthin {ii-ro-zan'-thin) [ovpov, urine; tjai-dfy, 

 yellow]. Indigogen. A pigmentary substance occur- 

 ring normally in human urine. Its secretion is enor- 

 mously increased in the first stage of cholera and in 

 certain affections of the liver and of the myelon. 



Uroxin (u-roks'-in) [ovpov, urine ; o^vg, sharp]. Same 

 as Alloxantin. 



Urrhodin (itr-rod' '-in) [ovpov, urine ; pdfiivog, rosy]. A 

 red, purple, or violet urinary pigment, derived from 

 uroxanthin. 



Urrhosacin [tir-o'-sas-in). See Urrhodin. 



Ursone (ur'-son). See Ericolin. 



Urtica (iir' -tik-ah) [L. : gen., Urticce\ A genus of 

 apetalous plants including the nettles. See Nettle and 

 Pompkus. 



Urtical (ur'-tik-al) [urtica, nettle]. Belonging to the 

 nettles. 



Urticaria [ttr-tik-a' '-re-ak) [urtica, a nettle]. Xettle- 

 rash ; Cnidosis ; Hives; an inflammatory dis< 

 of the skin characterized by the development of wheals, 

 which give rise to subjective sensations of burning 

 itching. These appear suddenly in large or small 

 numbers, remain for from a few minutes to several hour-. 

 and disappear as suddenly as they came, leavii 

 trace behind. The disease may be acute or chroni* 

 due to various agencies acting upon the vaso-mod ■ 

 tern, such as gastro-intestinal disorders, intestinal worms, 

 the ingestion of shell-fish, etc. U. acuta, an acute 

 form often associated with fever of 101-2 F, ( 

 febrilis). The pulse is quick, and there are m 

 .signs of gastric irritation, with headache and pi 

 tion. The eruption may not appear for a day or two, 

 and then comes out copiously all over. It disap 

 rapidly after removal of the cause of gastric irritation 

 U. bullosa, an exaggerated form of I . visicans. U. 

 chronica, a term referring to the duration of the dis 

 ease as a whole, and not to that of the successivi 

 of wheals individually. The disease may last 1 

 indefinite period. U. conferta, a form in which tin 

 lesions occur in groups. U. endemica, an irril 

 cutaneous eruption occurring in some districts, 

 bly the Kahlberger Schweiz, and caused by the BO 

 cession caterpillars, particularly the species ' 

 campa. The eruption is papular and wheal lil 



