| Zimmermann, Wilhelm | <person> German physician, *1910. See: Zimmermann reaction, Zimmermann test. (05 Mar 2000) |
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| polkissen of Zimmermann | Synonym: extraglomerular mesangium. Origin: Ger. Polkissen, pole + cushion (05 Mar 2000) |
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| Zimmermann, Karl | <person> German histologist, 1861-1935. See: Zimmermann's corpuscle, Zimmermann's granule, Zimmermann's elementary particle, polkissen of Zimmermann. (05 Mar 2000) |
| Zimmermann reaction | A chemical reaction between an alkaline solution of meta-dinitrobenzene and an active methylene group (carbon-16) of 17-ketosteroids; it is the basis of the 17-ketosteroid assay t.; more generally, a reaction between methylene ketones and aromatic polynitro compounds in alkaline solutions. Synonym: Zimmermann test. (05 Mar 2000) |
| Zimmermann's corpuscle | <haematology> A discoid cell (3m diameter) found in large numbers in blood, important for blood coagulation and for haemostasis by repairing breaches (small breaks) in the walls of blood vessels. Platelet _ granules contain lysosomal enzymes, dense granules contain ADP (a potent platelet aggregating factor) and serotonin (a vasoactive amine). They also release platelet-derived growth factor which presumably contributes to later repair processes by stimulating fibroblast proliferation. Synonym: thrombocytes. (09 Oct 1997) |
| Zimmermann's elementary particle | <haematology> A discoid cell (3m diameter) found in large numbers in blood, important for blood coagulation and for haemostasis by repairing breaches (small breaks) in the walls of blood vessels. Platelet _ granules contain lysosomal enzymes, dense granules contain ADP (a potent platelet aggregating factor) and serotonin (a vasoactive amine). They also release platelet-derived growth factor which presumably contributes to later repair processes by stimulating fibroblast proliferation. Synonym: thrombocytes. (09 Oct 1997) |
| Zimmermann's granule | <haematology> A discoid cell (3m diameter) found in large numbers in blood, important for blood coagulation and for haemostasis by repairing breaches (small breaks) in the walls of blood vessels. Platelet _ granules contain lysosomal enzymes, dense granules contain ADP (a potent platelet aggregating factor) and serotonin (a vasoactive amine). They also release platelet-derived growth factor which presumably contributes to later repair processes by stimulating fibroblast proliferation. Synonym: thrombocytes. (09 Oct 1997) |
| Zimmermann test | A chemical reaction between an alkaline solution of meta-dinitrobenzene and an active methylene group (carbon-16) of 17-ketosteroids; it is the basis of the 17-ketosteroid assay t.; more generally, a reaction between methylene ketones and aromatic polynitro compounds in alkaline solutions. Synonym: Zimmermann test. (05 Mar 2000) |
| Ceelen, Wilhelm | <person> 1884-1964. See: Ceelen-Gellerstedt syndrome. (05 Mar 2000) |
| Volkmann, Alfred Wilhelm | <person> Was Professor of Physiology and Anatomy in Dorpat and later in Halle. Volkmann's Canals - canals in bone carrying blood vessels from the periosteum. Lived: 1800-1877. B. Leipzig, Jul 1st, 1800, d. Halle, Apr 21st, 1877. (05 Dec 1998) |
| Griesinger, Wilhelm | <person> German neurologist, 1817-1868. See: Griesinger's disease, Griesinger's symptom, bilious typhoid of Griesinger. (05 Mar 2000) |
| Roentgen, Wilhelm | <person, radiobiology> German scientist who discovered X-rays in 1895. (13 Nov 1997) |
| Roser, Wilhelm | <person> German surgeon, 1817-1888. See: Roser-Nelaton line. (05 Mar 2000) |
| Weber, Wilhelm | <person> German physicist, 1804-1891. See: Weber's point, Weber's triangle. (05 Mar 2000) |
| Weinberg, Wilhelm | <person> German physician, 1862-1937. See: Hardy-Weinberg equilibrium, Hardy-Weinberg law. (05 Mar 2000) |
| Wilhelm Johansen | <person> A Dutch geneticist who coined the word gene and demonstrated that environmental adaptations are not inherited. Lived: 1857-1927. (09 Oct 1997) |