(n.) One of a class of cellular, flowerless plants, (technically called Lichenes), having no distinction of leaf and stem, usually of scaly, expanded, frond-like forms, but sometimes erect or pendulous and variously branched. They derive their nourishment from the air, and generate by means of spores. The species are very widely distributed, and form irregular spots or patches, usually of a greenish or yellowish color, upon rocks, trees, and various bodies, to which they adhere with great tenacity. They are often improperly called rock moss or tree moss.
(n.) A name given to several varieties of skin disease, esp. to one characterized by the eruption of small, conical or flat, reddish pimples, which, if unchecked, tend to spread and produce great and even fatal exhaustion.
Example Sentences:
(1) The vulvar white keratotic lesions which have been subjected to histological examination in Himeji National Hospital (1973-1987) included 13 cases in benign dermatoses, 4 cases in vulvar epithelial hyperplasia, 3 cases in lichen sclerosus, and 3 cases in lichen sclerosus with foci of epithelial hyperplasia.
(2) The counts of EAC-receptor carrying neutrophils were two times lower in the patients with erosive ulcerative lichen planus as against those with the typical form of the disease.
(3) The abundance of adhesion molecules on leukocytes and keratinocytes in oral lichen planus is indicative of a special state of activation.
(4) The cases were all consecutive patients with a new diagnosis of lichen planus, and the controls were patients under dermatological care observed under the same conditions.
(5) The purpose of this investigation was to specifically identify T cells, B cells, and histiocytes in the infiltrate typically seen in lichen planus.
(6) In an ultrastructural study of oral lesions in lichen planus, it was found that some plasma cells have an associated lamina densa.
(7) Oral lichen planus is a chronic inflammatory disease of adult onset.
(8) Eighteen lichens from a variety of habitats were treated with 4-chlorobiphenyl (4-CB).
(9) In lichen planus, the cells appeared more dendritic and equal numbers of CD1, HLADR, HLADP and HLADQ positive cells were found, with significantly more HLADP (P less than 0.01) and HLADQ (P less than 0.05) positive cells than in normal mucosa.
(10) In a 45-year-old patient with an unusual clinical course of wide-spread cutaneous and oral lichen planus as well as pemphigus vulgaris of the oral cavity, both refractory to standard therapy, a Castleman tumour was suspected.
(11) A case of Lichen aureus in a 15-year old boy is presented.
(12) Specifically, we were able to make a diagnosis of psoriasis in four cases, lichen planus in three cases, and Darier's disease in one case.
(13) Lichen planus is a common disorder of unknown aetiology.
(14) The result of topical treatment by dimethyl sulphoxide (DMSO) in a patient with lichen amyloidosus is reported.
(15) Additionally, a lichenoid inflammatory infiltrate is seen at the periphery of the verrucous lesions, and in one case this has the pattern of classic lichen sclerosus.
(16) This feature can be found in several dermatoses and particularly in lichen striatus and acantholytic linear naevus.
(17) The relative incidence of this condition, compared with the incidence of all forms of lichen planus, was smaller than that reported in the literature.
(18) In lichen planus, an increase both in the number of Langerhans cells and the numbers expressing CD4 were found in areas of keratinocyte HLADR expression compared with HLADR negative areas and with normal oral mucosa.
(19) Focal areas of established lichenoid reaction, that are indistinguishable from lichen planus, are common.
(20) The high incidence of familial lichen planus supports the hypothesis that genetic factors are of etiologic importance in lichen planus.
White
Definition:
(superl.) Reflecting to the eye all the rays of the spectrum combined; not tinted with any of the proper colors or their mixtures; having the color of pure snow; snowy; -- the opposite of black or dark; as, white paper; a white skin.
(superl.) Destitute of color, as in the cheeks, or of the tinge of blood color; pale; pallid; as, white with fear.
(superl.) Having the color of purity; free from spot or blemish, or from guilt or pollution; innocent; pure.
(superl.) Gray, as from age; having silvery hair; hoary.
(superl.) Characterized by freedom from that which disturbs, and the like; fortunate; happy; favorable.
(superl.) Regarded with especial favor; favorite; darling.
(n.) The color of pure snow; one of the natural colors of bodies, yet not strictly a color, but a composition of all colors; the opposite of black; whiteness. See the Note under Color, n., 1.
(n.) Something having the color of snow; something white, or nearly so; as, the white of the eye.
(n.) Specifically, the central part of the butt in archery, which was formerly painted white; the center of a mark at which a missile is shot.
(n.) A person with a white skin; a member of the white, or Caucasian, races of men.
(n.) A white pigment; as, Venice white.
(n.) Any one of numerous species of butterflies belonging to Pieris, and allied genera in which the color is usually white. See Cabbage butterfly, under Cabbage.
(v. t.) To make white; to whiten; to whitewash; to bleach.
Example Sentences:
(1) This study compares the mortality of U.S. white males with that of Swedish males who have had the highest reported male life expectancies in the world since the early 1960s.
(2) Cranial MRI revealed delayed myelination in the white matter but no brain malformation.
(3) Positivity was not correlated with current residence census tract socioeconomic indicators in black or white females.
(4) The urine compositions of the European mole Talpa europaea and of the white rat Rattus norvegicus (albino) kept on a carnivore's diet were compared.
(5) Fluttering in the background was a black flag adorned with white script, the “black flag of jihad”.
(6) The vulvar white keratotic lesions which have been subjected to histological examination in Himeji National Hospital (1973-1987) included 13 cases in benign dermatoses, 4 cases in vulvar epithelial hyperplasia, 3 cases in lichen sclerosus, and 3 cases in lichen sclerosus with foci of epithelial hyperplasia.
(7) Instead, the White House opted for a low-key approach, publishing a blogpost profiling Trinace Edwards, a brain-tumour victim who recently discovered she was eligible for Medicaid coverage.
(8) The flow properties of white cells were tested after myocardial infarction, by measuring the filtration rates of cell suspensions through 8 microns pore filters.
(9) The findings confirm and quantitate the severe atrophy of the neostriatum, in addition to demonstrating a severe loss of cerebral cortex and subcortical white matter in HD.
(10) Tottenham Hotspur’s £400m redevelopment of White Hart Lane could include a retractable grass pitch as the club explores the possibility of hosting a new NFL franchise.
(11) We identified four distinct clinical patterns in the 244 patients with true positive MAI infections: (a) pulmonary nodules ("tuberculomas") indistinguishable from pulmonary neoplasms (78 patients); (b) chronic bronchitis or bronchiectasis with sputum repeatedly positive for MAI or granulomas on biopsy (58 patients, virtually all older white women); (c) cavitary lung disease and scattered pulmonary nodules mimicking M. tuberculosis infection (12 patients); (d) diffuse pulmonary infiltrations in immunocompromised hosts, primarily patients with AIDS (96 patients).
(12) In 60 rhesus monkeys with experimental renovascular malignant arterial hypertension (25 one-kidney and 35 two-kidney model animals), we studied the so-called 'hard exudates' or white retinal deposits in detail (by ophthalmoscopy, and stereoscopic color fundus photography and fluorescein fundus angiography, on long-term follow-up).
(13) African Americans also have more outpatient episodes than whites.
(14) As a Native American I am pretty sensitive to charges of racism and white supremacy,” the Oklahoma congressman added.
(15) The White House denied there had been an agreement, but said it was open in principle to such negotations.
(16) The charges against Harrison were filed just after two white men were accused of fatally shooting three black people in Tulsa in what prosecutors said were racially motivated attacks.
(17) Today, she wears an elegant salmon-pink blouse with white trousers and a long, pale pink coat.
(18) The relative effect of the intramammary infections and of different factors related to the cow (parity, stage of lactation, milk yield) on the individual cell counts, were studied for 30 months on the 62 black-and-white Holstein cows of an experimental herd.
(19) The administration of stable analogue of the leu-enkephalin did not alter the concentration of cortisole and aldosterone in the blood of white male rats whereas this concentration increased after administration of the parathormone.
(20) The patient, a 12 year-old boy, showed a soft white yellowish mycotic excrescence with clear borders which had followed the introduction of a small piece of straw into the cornea.