| Pappenheim | Artur, German physician, 1870-1916. See: Pappenheim's stain, Unna-Pappenheim stain. (05 Mar 2000) |
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| Pappenheim's stain | <technique> A method for differentiating tubercle and smegma bacilli; the preparation is stained with hot carbol-fuchsin solution, then treated with an alcoholic solution of rosolic acid and methylene blue to which glycerin is added; tubercle bacilli are stained bright red, but smegma bacilli are decolorised. (05 Mar 2000) |
| Pappenheimer | A.M., U.S. Pathologist, 1878-1955. His work in experimental pathology was extensive and included studies of the thymus, identification of the role of lice transmission in trench fever, development of an experimental model for rickets, and evaluation of viral infections in animals. See: Pappenheimer bodies. (05 Mar 2000) |
| Pappenheimer bodies | Phagosomes, containing ferruginous granules, found in red blood cells in diseases such as sideroblastic anaemia, haemolytic anaemia, and sickle cell disease; may contribute to spurious platelet counts by electro-optical counters. (05 Mar 2000) |
| Unna-Pappenheim stain | <technique> A contrast stain consisting of a methyl green-pyronin solution; originally used for gonococci, but later used to detect RNA and DNA in tissue sections; RNA is stained red and DNA appears green; used to demonstrate plasma cells during chronic inflammation. See: methyl green-pyronin stain. (05 Mar 2000) |
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| lymphoid haemoblast of Pappenheim | The earliest of four stages in development of the normoblast. See: erythroblast. Synonym: lymphoid haemoblast of Pappenheim, proerythroblast, rubriblast. (05 Mar 2000) |
| Pappenheimer bodies |
basophilic iron-containing granules observed in erythrocytes in sideroblastic anemia, sickle cell anemia, and certain other conditions.
Ãâó: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| Pappenheim's s. |
the original methyl greenpyronin staining method, used to differentiate between basophilic granules of erythrocytes and nuclear fragments.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| Pappenheim's stain |
see Stains and Staining Methods, under stain.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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