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Volvulus, n., volv'-ul-tis (new L. 

 vdlvulus, a little roll or wrapper 

 from volvo, I roll or turn about), 

 in surg., the passing of one 

 portion of an intestine into 

 another, commonly the upper 

 into the lower part. 



vomer, n., vdm'-er (L. vomer, a 

 ploughshare), in anat., the slender 

 thin bone separating the two 

 nostrils, so named from its fancied 

 resemblance to a ploughshare. 



vomica, n., vom'-ik-a, vomicse, n. 

 plu., vomf'ls-e, (L. vSmica, a sore, 

 a tumour), in surg., the cavities 

 formed in the destruction of the 

 lungs ; the collection of purulent 

 matter in the lungs, forming 

 cavities, constituting one of the 

 most constant and important of 

 morbid changes in chronic 

 phthisis. 



vulva, n., vulv'-a (L. vulva, a 

 womb), the external and visible 

 parts of the female genitals : vulv- 

 ular, a., vulv'-ul-ar, pert, to, or 

 in relation with the vulva. 



warts, n., wdwrts (Dut. werte, 

 Ger. warze, a wart), in med. , dry 

 excrescences of different forms, 

 found on the skins of animals ; 

 verrucse or papillary tumours ; in 

 bot., firm glandular excrescences 

 on the surfaces of plants. 



wen, n., wen (AS. wenn, a swelling, 

 a wart), an encysted tumour, 

 affecting the head, face, or 

 neck. 



wheal, n., liwel (AS. walan, a 

 wheal ; Goth, valus, Icel. volr, 

 a rod, a stick), the raised streak 

 on the skin left by a stripe, as 

 with a cane ; red and white marks 

 on the skin, seen in cases of 

 nettle-rash. 



whites, n. plu., hwitz, the popular 

 name for 'leucorrhrea,' which see. 



whitlow, n., hwit'-lo (Prov. Eng. 

 whickflaw from Prov. Eng. 

 whick, quick, alive ; Eng. flaw], 

 a flaw or sore about the quick of 

 the nail ; an abscess beneath the 



periosteum of the distal phalanx 

 of any finger ; paronychia. 

 whooping-cough, hdp'Jng- (a word 

 imitative of the sound), an infec- 

 tious disease, principally of child- 

 hood, characterised by convulsive 

 paroxysms of coughing, frequently 

 fatal ; pertussis. 



whorl, n., hworl (Dan. hverre, to 

 turn ; Dut. worwel, a whirl, an 

 eddy), the spiral turn of a univalve 

 shell ; any set of organs or appen- 

 dages arranged in a circle around 

 an axis ; leaves arranged in a 

 regular circumference round a 

 stem ; in bot., a verticil. 

 wing, n. , wing, in bot. , one of the 

 two lateral petals of a papilion- 

 aceous flower ; the broad, flat 

 edge of any organ : winged, a., 

 wmg'ed, furnished with broad, 

 membranous expansions, 

 womb, n., wdm (AS. wamb, Icel. 

 vomby belly, womb), the hollow 

 organ in the female animal in 

 which the young is conceived and 

 nourished till birth. 

 woorali, see 'wourali.* 

 wornil, n., wern'41 (a diminutive 

 of worm), the larva or maggot of 

 an insect found on the backs of' 

 cattle. 



wourali or woorali, n., wdr'al-Z 

 (from a native name, ourari), an 

 arrow poison prepared by the 

 S. American Indians from the 

 plant Strychnos toxifera, or S. 

 Guianensis, Ord. Loganiacese. 

 Wrightia, n., riM-ti, (after Dr. 

 Wright, a Scotch botanist), a 

 genus of plants, Ord. Apocynacese: 

 Wrightia tinctoria, tingk-tor'-i-d 

 (L. tinctorius, of or belonging to 

 dyeing from tingo, I dye), a 

 species from whose leaves an in- 

 ferior kind of indigo is prepared : 

 W. antidysenterica, ant'-i-dis'-en' 

 ter'-ik-a (Gr. anti, against ; dus, 

 badly ; entZra, the bowels), a 

 species whose bark is the Conessi 

 bark of the Materia Medica, 

 valued as a tonic, a febrifuge, and 

 in dysentery.' 



