sympathomimetic

Thân thiện

A doctor explains that a sympathomimetic drug increases heart rate.

Definition

1. Adjective:
   • Relating to or producing physiological effects resembling those caused by the activity of the sympathetic nervous system: A "sympathomimetic" substance mimics or stimulates the effects of the sympathetic nervous system, such as increasing heart rate, constricting blood vessels, and dilating airways.
   • Relating to epinephrine (its release or action): Specifically, a "sympathomimetic" agent can refer to one that mimics the action of the neurotransmitter epinephrine (adrenaline).

Usage

• The term "sympathomimetic" is primarily used in medical, pharmacological, and physiological contexts to describe drugs, agents, or effects.
• It functions as an adjective to modify nouns like "drug," "agent," "effect," "activity," or "amine."

Examples

• Adjective:
  • Pseudoephedrine is a common sympathomimetic drug found in many decongestants.
  • The patient experienced a sympathomimetic response, including tachycardia and hypertension.
  • These compounds have direct sympathomimetic effects on alpha and beta-adrenergic receptors.

Advanced Usage

• "sympathomimetic amine": A specific class of compounds, often used as drugs, that produce sympathomimetic effects. Examples include epinephrine, norepinephrine, and amphetamine.
  • Amphetamines are potent sympathomimetic amines with central nervous system stimulant effects.

Variants and Related Words

• Sympathomimetic (noun): Less commonly, the word can be used as a noun to refer to a sympathomimetic drug or agent.
  • This medication is a potent sympathomimetic.
• Adrenergic (adjective): A closely related term often used synonymously with "sympathomimetic," referring specifically to the effects of epinephrine and norepinephrine.

Synonyms

• Adrenergic: Pertaining to or mimicking the effects of epinephrine or norepinephrine.
• Adrenoceptor agonist: A more specific term for a drug that stimulates adrenergic receptors.

Antonyms

• Sympatholytic: Referring to an agent that opposes or blocks the effects of the sympathetic nervous system.
• Adrenergic antagonist: A drug that blocks adrenergic receptors.

Học thuật

Adjective

1. relating to epinephrine (its release or action)

Từ đồng nghĩa

• adrenergic