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)
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)
any of various drugs that block alpha-adrenergic receptors; used in treating benign prostatic hyperplasia; relaxes the muscles of the prostate and bladder
an organ having nerve endings (in the skin or viscera or eye or ear or nose or mouth) that respond to stimulation
a cellular structure that is postulated to exist in order to mediate between a chemical agent that acts on nervous tissue and the physiological response
the 1st letter of the Greek alphabet
early testing stage of a software or hardware product
first in order of importance
