| severin | <protein> Calcium dependent F actin cleaving protein (40 kD) isolated from Dictyostelium discoideum, that binds irreversibly to the barbed ends of the microfilament, not, apparently, essential for movement. (18 Nov 1997) |
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| Severinghaus electrode | A glass electrode in a film of bicarbonate solution covered by a thin plastic membrane permeable to carbon dioxide but impermeable to water and electrolytes; the carbon dioxide pressure of a gas or liquid sample quickly equilibrates through the membrane and is measured in terms of the resulting pH of the bicarbonate solution, as sensed by the glass electrode; commonly used to analyze arterial blood samples. Synonym: Severinghaus electrode. (05 Mar 2000) |
| Severinghaus, John | <person> U.S. Physiologist and anaesthesiologist, *1922. See: Severinghaus electrode. (05 Mar 2000) |