n. an abnormally shaped red blood cell (*erythrocyte). Poikilocytes may be classified into a variety of types on the basis of their shape; for example elliptocytes (ellipsoid) and schistocytes (semilunar). See also poikilocytosis.... poikilocyte
n. a combination of pale and darkened skin with telangiectasia (see telangiectasis) and atrophy (wrinkled thin skin). This may be a sign of *cutaneous T-cell lymphoma.... poikiloderma
adj. cold-blooded: being unable to regulate the body temperature, which fluctuates according to that of the surroundings. Reptiles and amphibians are cold-blooded. Compare homoiothermic. —poikilothermy n.... poikilothermic
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