Pap smear

cancer test in which cells from the female genital tract are smeared on a slide for microscopic examination, named after anatomist George Papanicolaou

For the similarly named guitar player and actor see Pat Smear In gynecology, the Papanikolaou test or Papanicolaou test (also called Pap smear, Pap test, cervical smear, or smear test) is a medical screening method, invented by Georgios Papanikolaou, primarily designed to detect premalignant and malignant processes in the ectocervix. It may also detect infections and abnormalities in the endocervix and endometrium.
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Pap smear n. A screening test, especially for cervical cancer, in which a smear of cells exfoliated or scraped from the cervix or vagina is treated [more]Pap smear - Community and Resources

Noun
1. a sample of secretions and superficial cells of the uterine cervix and uterus; examined with a microscope to detect any abnormal cells
(synonym) cervical smear, Papanicolaou smear
(hypernym) smear, cytologic smear, cytosmear
(part-holonym) Pap test, Papanicolaou test, smear test

A procedure in which cells are scraped from the cervix for examination under a microscope. It is used to detect cancer and changes that may lead to cancer. A Pap smear can also show noncancerous conditions, such as infection or inflammation. Also called a Pap test.