Papanicolaou stain

(redirected from Papanicolaou's stain)

Pa·pa·ni·co·la·ou stain

a multichromatic stain used principally on exfoliated cytologic specimens and based on aqueous hematoxylin with multiple counterstaining dyes in 95% ethyl alcohol, giving great transparency and delicacy of detail; important in cancer screening, especially of gynecologic smears.
Farlex Partner Medical Dictionary © Farlex 2012


George N., Greek-U.S. physician, anatomist, and cytologist, 1883-1962.
Papanicolaou examination
Papanicolaou smear - Synonym(s): Pap smear
Papanicolaou smear test - Synonym(s): Pap test
Papanicolaou stain - a multichromatic stain used in cancer screening, especially of gynecologic smears.
Papanicolaou test - Synonym(s): Pap test
Pap smear - vaginal or cervical cells obtained for cytological study. Synonym(s): Papanicolaou smear
Pap test - examination of cells stained with Papanicolaou stain. Synonym(s): Papanicolaou smear test; Papanicolaou test
Medical Eponyms © Farlex 2012
References in periodicals archive ?
The smears were made from each aspirate: air-dried smears were stained with May-Grunwald Giemsa (MGG), Ziehl-Neelsen (ZN) stain for acid-fast bacilli (AFB), and wet-fixed smears were stained with hematoxylin and eosin and Papanicolaou's stain. An additional slide was kept unstained for any further required stain.
Lymph node aspirates were stained routinely with Haematoxylin and Eosin (H&E), Papanicolaou's stain (PAP), Giemsa and Ziehl and Neelsen (ZN) stain.
After world-war II, many began using the Papanicolaou's stain on smears of effusion fluids.