Impression

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Related to impression smear: impression surface

Impression

A user's view of an online advertisement. Each time a website viewer sees an online ad, this is one impression. The more impressions an ad receives, the more likely it is that a user will click on it. Most online ads are sold by cost per thousand of impressions. See also: CPC.
References in periodicals archive ?
The impression smears from heart were immediately fixed in methanol and stained with Leishman's stain as per the standard protocol and examined under microscope.
Detailed history of animals was taken, cellopane tape impression smears and ear roll swabs were taken from lesions and were stained with giemsa or cytological evaluation.
Photos of clinical lesions, impression smears and skin scrapings were mailed to one of pioneer worker for confirmation of Stephanofilaria.
Impression smear cytology of left eye and penis has TVT cells characterized by increased nuclear to cytoplasmic ratio and cytoplasm contained 3-4 distinct vacuoles (Fig.
Impression smear from thickened skin of ventral abdomen were taken and stained with Giemsa stain revealed blue stained Malassezia budding yeasts (Fig.
Impression smears of liver were stained with Ziehl-Neelsen acid-fast stain and examined microscopically for mycobacteria.
organisms were identified on tape impression smears collected from ears.
Impression smears of the lung tissue were prepared (Figs 1 and 2), and all tissues were submitted for histopathologic examination.