contractile

/kən'træktail/

Thân thiện

The insect's contractile wings fold neatly against its body.

Definition

1. Adjective:
   • Capable of contracting or being contracted: Describes something, especially biological tissue or a structure, that has the ability to shorten, tighten, or become smaller, often through an active process.

Usage

The adjective contractile is primarily used in biological, anatomical, and physiological contexts to describe tissues, cells, or organs that possess the inherent ability to contract. It is a technical term.

Examples

• Adjective:
  • Muscle cells are highly contractile.
  • The contractile vacuole in some single-celled organisms helps regulate water content.
  • Cardiac tissue has unique contractile properties.

Advanced Usage

• "Contractile apparatus": The cellular structures, primarily composed of actin and myosin filaments, responsible for generating contraction in muscle cells.

  • The integrity of the contractile apparatus is essential for muscle function.

• "Contractile force": The strength or power generated by a contracting tissue.

  • The heart's contractile force can be measured by echocardiography.

Variants and Related Words

• Contractility (n): The capability or quality of being contractile; the ability of a muscle or other tissue to contract.

  • The contractility of the heart muscle is a key focus in cardiology.

• Contract (v): To draw together or become smaller. (Note: This is the related verb from which "contractile" is derived, but it is a separate word with broader usage).

Synonyms

• Constrictable: Capable of being constricted or narrowed.
• Shrinkable: Capable of shrinking. (Note: This is a more general term and less specific to biological active processes).

Antonyms

• Inelastic: Not elastic; not capable of resuming original shape after contraction or expansion.
• Noncontractile: Not capable of contracting.

Học thuật

Adjective

1. capable of contracting or being contracted
   • the contractile wings of an insect