| simple lymphangiectasis | A circumscribed region or focus of several to numerous lymphatic vessels that are moderately dilated. Synonym: simple lymphangiectasis. (05 Mar 2000) |
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| simple mastectomy | Excision of the breast including the nipple, areola, and most of the overlying skin. Synonym: total mastectomy. (05 Mar 2000) |
| simple membranous limb of saemicircular duct | The non-ampullary end of the lateral saemicircular duct that opens independently into the utricle. Synonym: crus membranaceum simplex ductus saemicircularis, simple membranous limb of saemicircular duct. (05 Mar 2000) |
| simple microscope | <instrument> A microscope that has a single magnifying lens. (05 Mar 2000) |
| simple-minded | Artless; guileless; simple-hearted; undesigning; unsuspecting; devoid of duplicity. Sim"ple-mindedness. Source: Websters Dictionary (01 Mar 1998) |
| simple myopia | Myopia arising from failure of correlation of the refractive power of the anterior segment and the length of the eyeball. Space myopia, a type of myopia arising when no contour is imaged on the retina. Transient myopia, myopia observed in accommodative spasm secondary to iridocyclitis or ocular contusion. (05 Mar 2000) |
| simple myopic astigmatism | That form of astigmatism in which one meridian is myopic and the one at right angle to it is without refractive error. Synonym: simple myopic astigmatism. (05 Mar 2000) |
| simple necrosis | A stage of coagulation necrosis; the occurrence of a coarsely granular or hyaline change in the cytoplasm, and the lack of a recognizable nucleus, with the general configuration of the dead cells being relatively unchanged. (05 Mar 2000) |
| simple partial seizure | A partial seizure that is not associated with impairment of consciousness. (05 Mar 2000) |
| simple protein | Protein that yields only alpha-amino acids or their derivatives by hydrolysis; e.g., albumins, globulins, glutelins, prolamines, albuminoids, histones, protamines. Compare: conjugated protein. (05 Mar 2000) |
| simple pulmonary eosinophilia | Pulmonary infiltrates seen as transient migratory shadows on the chest X-ray, accompanied by blood eosinophilia; often symptomless, but there may be cough, fever, and breathlessness; most cases are due to worm infestation, especially by Ascaris lumbricoides; a few cases follow administration of drugs. Synonym: Loffler's syndrome. (05 Mar 2000) |
| simple retinitis | Oedema of the retina; an inflammation of the inner layers of the retina. Synonym: simple retinitis. (05 Mar 2000) |
| simple schizophrenia | Schizophrenia characterised by withdrawal, apathy, indifference, and impoverishment of human relationships without overt psychotic features. (05 Mar 2000) |
| simple squamous epithelium | Epithelium composed of a single layer of flattened scalelike cells, such as mesothelium, endothelium, and that in the pulmonary alveoli. Synonym: pavement epithelium. (05 Mar 2000) |
| simple ulcer | A local, not constitutional, ulcer not accompanied by marked pain or inflammation. (05 Mar 2000) |