dopa

Thân thiện

A scientist examines a molecular model of dopa in the laboratory.

Definition

Noun: - A chemical compound: Dopa is an amino acid that is naturally produced in the liver. It serves as a biochemical precursor, meaning it is converted into another important substance called dopamine in the brain.

Usage

• Dopa is a technical term used primarily in the fields of biochemistry, neurology, and medicine.
• It is often discussed in the context of its role in the nervous system and its conversion to dopamine, a neurotransmitter.

Examples

• Noun:
  • L-dopa is a medication used to treat Parkinson's disease.
  • The body synthesizes dopa from the amino acid tyrosine.

Advanced Usage

• "L-dopa" (Levodopa): This is the most common and clinically significant form. It is the direct precursor to dopamine and can cross the blood-brain barrier, making it an essential treatment for Parkinson's disease.
  • The patient's motor symptoms improved after starting L-dopa therapy.

Variants and Related Words

• Levodopa (L-dopa): The biologically active isomer of dopa used as a drug.
• Dopamine: The neurotransmitter synthesized from dopa.
• Dopa decarboxylase: The enzyme that catalyzes the conversion of dopa to dopamine.

Synonyms

• Levodopa (specifically for the L-isomer used in medicine).
• L-3,4-dihydroxyphenylalanine (the full chemical name).

Notes

• Dopa is not typically used in idioms, phrasal verbs, or casual conversation. Its usage is almost entirely scientific and medical.

Học thuật

Noun

1. amino acid that is formed in the liver and converted into dopamine in the brain

Từ đồng nghĩa

• dihydroxyphenylalanine