SERUM

(Lat.), n. n. Se(se2)'ru3m(ru4m). Fr., strum. Ger., S., Adenrasfier. The watery portion of an organic fluid (ordinarily of the blood). Artificial s. Water containing albumin, salts, etc., to imitate the s. of the blood; used as an intravenous or intraperitoneal injection, also in preparing microscopical specimens. That of B. W. Richardson consists of 1 oz. of white of egg. 1 drachm of common salt, 1 scruple of sodium phosphate, 1 oz. of clarified animal fat, 2 oz. of glycerin, and water enough to make a pint, ['Asclepiad," Jan., 1885, p. 8.] Blood s. The fluid which sep a extractive matters, 0'65 of sodium carbonate, 0-a5 of pota ium sulphate, and 0'40 of earthy phosphates. [A, 328.] Iodized s. Ger., Jodserum. S. treated with pota ium iodide: used in bacteriological research, [a, 40.] Milk s. See WHEY. S. cells. Ger., serose (Oder serumhaltige) Fettzellen. Fat cells containing s. in E, he: E. ell; G, go; I, die; I2, in; N, in; Na, tank; [s. 478]