| 释义 |
alpha-adrenergic receptor
alpha-adrenergic receptorn. See alpha-receptor.Thesaurus| Noun | 1. |  alpha-adrenergic receptor - 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)alpha receptor, alpha-adrenoceptorsympathetic nervous system - originates in the thoracic regions of the spinal cord; opposes physiological effects of the parasympathetic: reduces digestive secretions; speeds the heart; contracts blood vesselsreceptor - 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 |
alpha-adrenergic receptor
alpha-adrenergic receptorn. See alpha-receptor.alpha-adrenergic receptorA site in autonomic nerve pathways responsive to the adrenergic agents norepinephrine and epinephrine In general, alpha-1 receptors produce excitatory responses, and alpha-2 receptors produce inhibitory responses. See: beta-adrenergic receptorSee also: receptoralpha-adrenergic receptor
Synonyms for alpha-adrenergic receptornoun 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)Synonyms- alpha receptor
- alpha-adrenoceptor
Related Words- sympathetic nervous system
- receptor
|