any of a group of chemicals including epinephrine and norepinephrine that are produced in the medulla of the adrenal gland. They function as nerotransmitters in the sympathetic nervous system. Also, any structurally related chemical substance, whether natural or synthetic.
Compounds mimicking the effects of impulses conveyed by sympathetic nerve fibers (sympathomimetic). This includes dopamine, epinephrine, and norepinephrine.
neurotransmitters that activate. Examples are dopamine, epinephrine and norepinephrine.
A group of compounds which include dopamine, epinephrine and norepinephrine which are used to mediate signalling in the sympathetic nervous system. They are synthesized and secreted from sympathetic neurons and the adrenal medulla.
One of a group of physiologically active substances with various roles in the functioning of the nervous system; also helps regulate heart functioning.
Epinephrine, norepinephrine, dopamine, and related compounds.
catecholamine ( kàt´î-ko¹le-mên´), any of several structurally related compounds found in the body that help regulate the sympathetic NERVOUS SYSTEM. They include EPINEPHRINE (or adrenaline), NOREPINEPHRINE, and dopamine—substances that prepare the body to meet emergencies such as cold, fatigue, and shock. Epinephrine and isoproterenol, a synthetic catecholamine, are used as drugs to treat diseases such as EMPHYSEMA, BRONCHITIS, and ASTHMA. 1
Type of organic compound.
A general class of neurotransmitters including dopamine, epinephrine and norepinephrine.
One of the substances that function, primarily as neurotransmitters, in the sympathetic and central nervous systems. The substances include dopamine, epinephrine, and norepinephrine.
A group of neurotransmitters that are derived from the amino acids phenylalanine and/or tyrosine. Dopamine, norepinephrine (noradrenaline) and epinephrine (adrenaline) are all catecholamines.
The catecholamines are epinephrine, norepinephrine, and dopamine. All 3 are synthesized from the amino acid tyrosine in the adrenal medulla. They are also stored in sympathetic neural endings.
A group of neurotransmitter that includes dopamine, epinephrine and norepinephrine. These neurotransmitters are found in the CNS and the sympathetic nervous system
Any of various amines (as epinephrine, norepinephrine, and dopamine) that function as hormones and/or neurotransmitters.
Catecholamines are chemical compounds derived from the amino acid tyrosine. Some of them are biogenic amines. Catecholamines are water soluble and are 50% bound to plasma proteins, so they circulate in the bloodstream.
