receptors postulated to exist on nerve cell membranes of the sympathetic nervous system in order to explain the specificity of certain agents that affect only some sympathetic activities (such as vasoconstriction and relaxation of intestinal muscles and contraction of smooth muscles)
receptors postulated to exist on nerve cell membranes of the sympathetic nervous system in order to explain the specificity of certain agents that affect only some sympathetic activities (such as vasodilation and increased heart beat)
a lipoprotein that transports cholesterol in the blood; composed of a high proportion of protein and relatively little cholesterol; high levels are thought to be associated with decreased risk of coronary heart disease and atherosclerosis
a form of interferon that is produced endogenously and commercially for its pharmacological effects (including regulation of the immune system and antiviral and antineoplastic effects)
a potent form of vitamin E obtained from germ oils or by synthesis
an isomer of naphthol used in dyes
the 1st letter of the Greek alphabet
early testing stage of a software or hardware product
first in order of importance
