Catecholamine definition wiki
any of a group of sympathomimetic amines (including dopamine, epinephrine, and norepinephrine), the aromatic portion of whose molecule is catechol. The catecholamines play an important role in the body's physiological response to stress.23 rows Catecholamines have excitatory effects on smooth muscle cells of the vessels that supply catecholamine definition wiki
Extremely high levels of catecholamines (also known as catecholamine toxicity) can occur in central nervous system trauma due to stimulation andor damage of nuclei in the brainstem, in particular those nuclei affecting the sympathetic nervous system. In emergency medicine, this occurrence is widely known as catecholamine dump.
Catecholamine definition wiki free
Medical Definition of catecholamine: any of various amines (as epinephrine, norepinephrine, and dopamine) that contain a dihydroxy benzene ring, that are derived from tyrosine, and that function as hormones or neurotransmitters or both
Central and peripheral nervous system functions depend on normal synaptic transmission, which is mediated by a variety of neurotransmitters, including the biogenic amines (the catecholamines dopamine, norepinephrine, epinephrine, serotonin, histamine; Eisenhofer 2004; Rothman et al.
catecholamine (plural catecholamines) (biochemistry) Any of a class of aromatic amines derived from pyrocatechol that are hormones produced by the adrenal gland. 1988, Lubert Stryer, Biochemistry, 3rd edition, p. 1025: Epinephrine and dopamine are two other catecholamine transmitters.
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