nonsteroid

Thân thiện

A scientist examines a nonsteroid compound in the laboratory.

Definition

Noun: A nonsteroid is an organic compound whose molecular structure does not contain the characteristic four-ring steroid nucleus (composed of three cyclohexane rings and one cyclopentane ring). This term is used primarily in biochemistry and pharmacology to categorize compounds in contrast to steroids.

Usage

The term is used to classify and distinguish chemical compounds, especially hormones, anti-inflammatory agents, or signaling molecules, from those based on a steroid structure. * Many anti-inflammatory drugs are nonsteroids, such as ibuprofen and aspirin. * Researchers are studying a new class of nonsteroid hormones that function differently from estrogen or testosterone. * The doctor prescribed a nonsteroid treatment to avoid the potential side effects of corticosteroids.

Advanced Usage

• Nonsteroidal: This is the more common adjectival form, frequently used in terms like nonsteroidal anti-inflammatory drug (NSAID).
  • Aspirin is a classic example of a nonsteroidal anti-inflammatory agent.

Variants and Related Words

• Nonsteroidal (adjective): Of or relating to compounds that are not steroids.
  • The nonsteroidal medication was effective for her pain.

Synonyms

• Non-steroidal compound
• Non-steroid agent

Antonyms

• Steroid
• Steroidal compound

Học thuật

Noun

1. an organic compound that does no contain a steroid

Từ đồng nghĩa

• nonsteroidal