smear

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smear

a preparation of blood, secretions, etc., smeared onto a glass slide for examination under a microscope

smear

[smir]
(biology)
A preparation for microscopic examination made by spreading a drop of fluid, such as blood, across a slide and using the edge of another slide to leave a uniform film.
(electronics)
A television-picture defect in which objects appear to be extended horizontally beyond their normal boundaries in a blurred or smeared manner; one cause is excessive attenuation of high video frequencies in the television receiver.
References in periodicals archive ?
Although careful attention should be paid to the microscopic examination of a blood smear in any patient presenting with acute renal failure and thrombocytopenia, the present case and those reported previously emphasize the need to consider TTP and HUS strongly in the differential diagnosis, in view of the overwhelming improvement in morbidity and mortality with plasma exchange therapy, even in the absence of some of the classic signs of microangiopathic hemolysis.
Each day, up to day-6 of venipuncture, blood smears were prepared from the EDTA sample by wedge technique and stained with a commercial Wright stain.
During acute phase of infection microscopic examination of thick stained blood smear (diagnostic test) of the affected equids usually reveals 2-5um long and 1.
Second week post treatment, no parasite was found upon blood smear examination.
All 255 children were asymptomatic for malaria, but 52 met malaria screening criteria and were tested by peripheral blood smear (n = 24), PCR (n = 24), or both (n = 4).
Johannesburg, Mar 13 ( ANI ): Paralympic sprinter Oscar Pistorius had reportedly covered his eyes after a photo showing blood smears on his toilet floor was displayed during his murder trial in the North Gauteng High Court in Pretoria on Wednesday.
Mohamed Brahimi et al performed the estimation of platelet count from a blood smear on the basis of the red cell: platelet ratio and compared with the automated platelet count.
Herein we present 2 siblings with generalized ichthyosiform erythroderma that were diagnosed as CDS based on observation of lipid vacuoles in neutrophils in peripheral blood smear evaluation.
RESULTS AND OBSERVATIONS: Of the 339 patients, 68 (20%) were positive for falciparum malaria by Leishman stained thick blood smear, 60(17%) by Leishman stained thin blood smear, 60(17%) by JSB stained thin smear, 60 (17%) by Field's stained thin smear, 69(20.
The investigation was focussed mainly on collection and analysis of epidemiological and spray records of PHCs to know the trend of malaria transmission and spraying coverage, inspection of passive surveillance at PHCs and subcentres, use of rapid diagnostic kits (RDK), laboratory activities both at district and PHC level that included on the spot cross-checking of positive and negative blood smears, maintenance of records, etc.
To determine the specificity and sensitivity of the test, they compared its results with those of blood smear microscopy, considered to be the diagnostic gold standard for malaria.
Polymicrobial candidaemia revealed by peripheral blood smear and chromogenic medium.