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 ?
Prevalence and significance of negative smears pretreatment and positive smears post- treatment.
Research has shown that doing smears more frequently only slightly increases identification of abnormalities.
This study conducted in Khyber Pukhtoonkhuwa was first of its kind in this province with a large number of Pap smears to find out the frequency of precancerous lesions in this population.
Demographic, sexual and gynecological information: age, marital status, job, age of first intercourse, number of sexual partners, pregnancies and deliveries, were assessed for each participant, together with questions regarding to educational background, knowledge of the Pap smear: what it is (yes/no) and what is used for (screening CC, diagnosis of vaginal infections, other answer), when she had the last Pap smear, how many Pap smears had the patient taken in the past, date of first Pap smear (after the first sexual intercourse, first pregnancy, first delivery), the reason or reasons why she have never had a Pap smear or why she have not had one in the past year (multiple choice).
Human papillomavirus (HPV) tests that use self-collected vaginal samples are more sensitive than clinically performed Pap smears for detecting precancerous cervical lesions and invasive cervical cancer, a population-based randomized trial conducted in Mexico indicates.
Smears obtained by FNAC of 50 case, each of HT (which served as cases) and colloid goiter (which served as controls) were observed.
All these cases were on AKT, indicating that the bacilli seen in the primary smears were killed bacilli.
A survey of the knowledge about PAP smears among women aged 15 and above.
With technological advancements in automated hematology analyzers, why do we continue to look at blood smears through a microscope?
For lesbians, researchers hypothesized that the lower Pap smear rate may be associated with birth control use, as physicians often require women who take birth control to have yearly Pap smears.
11 found that the percentage of positivity in Tzanck smears prepared from herpetic infections at an earlier stage tended to be higher than the ones prepared at later stages.
Objective: To study the ratio of false negativity in sputum samples in diagnostic smears received for acid fast bacilli smear microscopy.