OODS THERAPEUTIC TEST 



1621 



WRIGHTIA 



See Methyl-alcohol. W.-Cells, libriform cells and 



other elongated, taper-pointed cells, not distinctly 



narked with pits, spiral or annular markings, found 



n the wood of plants. W. -fiber. See Cellulose. W.- 



.ely powdered wood, which, variously medi- 



rves as a dressing for surgeons' use. W., 



leart. the older, harder, usually darker, central part 



|.f an endogenous stem. W.-oil. See Gurjun Bal- 



V. -parenchyma, elongated parenchyma-cells 



ssociated with wood-cells. W. -spirit. See Alcohol, 



f ethyl, and Pyroxylic Spirit. W.-tar Creasote. 



eeCreasoti. W. -vinegar. See Pyroligneous Acid, 



tic, Dilute. W.-wool, prepared fiber 



'f wood used mainly as a surgical dressing. 



»»d's Therapeutic Test. In all cases of doubtful 



I^^Hfc of cerebral syphilis, iodid of potassium in 



I^^Hpes of 60 grains should be given, and if this 



roduce iodism, for all practical purposes the 



:rson may be considered to be a syphilitic. This is 



>w considered a fallacy, as personal idiosyncrasy 



the iodids is perhaps as great in non-syphilitics as 



syphilitics. 



I oden Tongue wood' -entung). See Actinomycosis. 



r^ol [ME., zvoll, wool]. A variety of hair, found 



greater or less quantity on almost all mammals, 



1 a few of which, as the domestic sheep, it forms 



e principal covering of the body. The woolen 



*r is finely crimped or curled, so that it becomes 



hen drawn out, and shortens again when the 



- removed. This spring gives woolen fabrics 

 table elasticity. Wool is very hygroscopic. The 



ty is colorless, but inferior grades are often 



■■^P*sh, and sometimes even brown or black in 



(lor. True wool-fiber, when cleansed of impuri- 



- approximately the following composition : 

 firbon, 49.25 per cent. ; hydrogen, 7.57 per cent. ; 



23.66 per cent.; nitrogen, 15.86 per cent.; 



. 3.66 per cent. The presence of sulphur is 



-inctive of wool, and serves to distinguish it 



:, the other nitrogenous fiber. Wool is de- 



jnposed by heat; at 130 C. ammoniacal vapors are 



: en off, and at 140 to 150 C. sulphur compounds 



J: also present in the vapors. When incinerated it 



odor of burnt feathers. W., Antiseptic, 



it has been sterilized and subjected to the 



ion of some antiseptic. W.-fat, cesypus ; an im- 



: wool, consisting of a mixture of cholesterin, 



r with isocholesterin and the compounds of 



•dies with several of the fatty acids. See 



Lanolin. Ws., Holmgren's, a col- 



Ition of colored wools used in the detection and 



* madon of subnormal color-perception. W.- 



I'spiration, an impurity of wool consisting essen- 



t ly of the potassium salts of oleic and stearic acids, 



other fixed fatty acids, also potassium salts of 



oids, like acetic and valerianic acids, and small 



:s of chlorids, phosphates, and sulphates. W.- 



Disease, anthrax ; wool-sorters are liable to 



-oning from various causes, especially to the 



e anthrax. 



*• !en Black. See Pigments, Conspectus of. 



""If, System of. A system of purifying water by 



^mixture of electrolyzed sea-water. 

 • :ara woo-rar* -ah). See Curare. 



urtT) [ME., word, word]. A term ; a sound 

 01 in any language as the sign of a conception. 

 » -blindness, visual logagnosia. See Aphasia. 

 v -deafness, auditor}.' logagnosia. See Aphasia. 

 - -mania, a symptom of mental disease consistingin 

 *.;peated pronunciation of certain words (Wort- 

 | ^ssenheit of the Germans). See Verbigeration. 

 photism. See Phonism and Photism. 





Work (wurk) [ME., worken, to work]. 1. To labor ; 

 to put forth effort. 2. Effort; labor. W., Internal, 

 the force exerted in respiration, circulation, and other 

 organic function. It is estimated as being daily equal 

 to 260 foot-tons. 



Working {wurk' -ing)[yVE.., worken, to work]. Active ; 

 busy ; operation. W. Distance. See Distance. 

 W. Ocular. See Ocular. 



Worm {wuim ) [ME., worm, worm], (a) Any member 

 of the third and fourth races or phyla of the animal 

 kingdom, /". e., the Platodes and the Vermes. (6) The 

 lytta or glossohyal cartilage or fibrous tissue of the 

 tongue of a carnivora. sometimes mistaken by dog- 

 fanciers for a parasitic worm and extracted, (r) 

 The vermis or mesal lobe of the cerebellum. W., 

 Bladder, the Teema echinococcus. W.-seed, Ameri- 

 can. See Chenopodium. W^.-seed, Levant. See 

 Santonica. W. -sickness, a serious affection of 

 sheep in Holland caused by the fly Lucilia sericata. 

 See Parasites {Animal), Table of. W.-tea. See 

 Spigelia. W.-wood. See Absinth urn. 



Wormian i'wur'-me-an) [after Olaus Worm, a Danish 

 physician, 1588-1654]. Pertaining to the physician, 

 Olaus Worm. W. Bones, a name given to the super- 

 numerary bones of the skull, which are frequently 

 formed owing to the absorption or imperfect ossifica- 

 tion of the tabular bones. 



Worremberg's Apparatus. An apparatus for polariza- 

 tion by reflection. 



Worry {wur'-e) [ME., trorryen, to worry]. Harass- 

 ment ; perplexity due to annoying cares and troubles ; 

 a frequent factor in nervous and cerebral troubles. 



Worsted Test. See Holmgren's Test. 



Wort (wurt) [ME., wort, wort]. An infusion of malt ; 

 it is antiscorbutic, and is used sometimes in the dress- 

 ing of ulcers. Unof. 



Woulfe's Apparatus, W.'s Bottles. An apparatus 

 consisting of a series of three-necked bottles connected 

 by suitable tubes, and used for washing gases or satu- 

 rating liquids therewith. 



Wound Kwoond. or wonond) [ME., wound, wound]. 

 A break or division of continuity of the soft parts 

 caused by mechanical violence ; trauma. W., Com- 

 plicated, a wound in which a foreign body is present, 

 or in which there is great hemorrhage or pain. W., 

 Contused, one produced by a blunt body. W. -fever. 

 See Traumatic Fever. W., Flesh, a wound involv- 

 ing only skin and muscular tissue. W., Gunshot, 

 one caused by a projectile. W., Incised, one caused 

 by a cutting instrument. W., Lacerated, one in 

 which the tissues are torn. W., Open, a wound hav- 

 ing a free external opening. W., Poisoned, one in 

 which toxic materials are introduced, as in a dissec- 

 tion-wound, etc. W., Punctured, one made by a 

 pointed instrument. W., Simple, one attended with 

 a simple division of the soft parts without complication. 

 W., Subcutaneous, a wound with a very small ex- 

 ternal opening in the skin. W., Uterine, the portion 

 of the uterus from which the placenta has been removed. 



Wourali (woo'-ra-le). See Curare. 



■Wreath {rith) [AS., wrath, a. twisted band]. In bi- 

 ology, applied to a stage in karyokinesis, as the 

 mother-wreath, daughter-wreath. See Aster. 



Wredin's Test. A test of live-birth. It consists in 

 the absence of gelatinous matter from the middle ear ; 

 this is regarded as a proof that the fetus was born alive 

 and has breathed. 



Wrightia (ri'-te-ah) [after William Wright, a physician 

 and botanist in Jamaica]. A genus of apocynaceous 

 shrubs and trees. The bark of TV. antidysenterica 

 (or Holarrhena antidysenterica) of India is highly 

 valued as a remedv for dvsenterv. Unof. 



