adrenergic system

the part of the autonomic nervous system, including receptor sites, that is influenced by adrenergic neurotransmitters and drugs. The nerves included in the adrenergic system vary somewhat with species but generally include all postganglionic sympathetic fibers. Compare cholinergic system.

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Psychology term of the day

May 9th 2024

x-intercept

x -intercept

n. in an equation representing a straight-line relationship between two variables, the value of variable x when the value of variable y equals zero. For example, in the general linear equation format x = a + by, a represents the x-intercept.