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Epinephrine: A sympathomimetic agent interacting with both alpha- and beta-adrenergic receptors, causing cardiac stimulation, vasoconstriction, bronchodilation, blood glucose elevation, and gastrointestinal relaxation. Clinical Use: Ventricular Fibrillation, Anaphylactic Shock, Asthma, Cardiopulmonary Resuscitation, Glaucoma, and Topical Anesthetic-Adjuvant.(NCI)
Source: Diseases Database
Epinephrine : active sympathomimetic hormone from the adrenal medulla in most species; it stimulates both the alpha- and beta- adrenergic systems, causes systemic vasoconstriction and gastrointestinal relaxation, stimulates the heart, and dilates bronchi and cerebral vessels; used in treatment of asthma and cardiac failure and to delay absorption of local anesthetics.
Epinephrine: Epinephrine is one of a variety of catecholamines, which are hormone and neurotransmitter chemicals produced by the adrenal medulla. Epinephrine plays a role in the sympathetic nervous system. Its effects include increasing the heart rate and the force of heart contractions, dilating bronchioles, increasing blood sugar, and vascoconstricting the skin and viscera. These effects maximize the amount of oxygen and energy that is available to the muscles and lungs in order for the body to best respond physically to stressful situations. This is commonly known as the fight or flight response.
Secretion of epinephrine is stimulated by the hypothalamus. Conditions that can afflict epinephrine include pheochromocytoma, adrenal tumors, adrenal cancer, and trauma.
The following organs are closely related to the organ: Epinephrine:
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