SERUM n.
A thin watery fluid, containing more or less albumin, secreted by the serous membranes of the body, such as the pericardium and peritoneum. Blood serum, the pale yellowish fluid which exudes from the clot formed in the coagulation of the blood; the loquid portion of the blood, after removal of the blood corpuscles and…
SODIUM n.
ic element of the alkali group, in nature always occuring combined, as in common salt, in albite, etc. It is isolated as a soft, waxy, white, unstable metal, so readily oxidized that it combines violently with water, and to be preserved must be kept under petroleum or some similar liquid. Sodium is used combined in man…