Definition

1. Noun:
   • Abnormal narrowing of a bodily canal or passageway: A medical condition characterized by the constriction or tightening of a duct, tube, or opening within the body, which can restrict the normal flow of fluids or other substances.

Usage

• Noun:
  • The term "stenosis" is used as a medical diagnosis to describe a pathological narrowing. It is often preceded by the name of the specific anatomical structure affected.
  • It is a non-count noun when referring to the condition in general, but can be used in a countable way when specifying a type (e.g., aortic stenosis).

Examples

• Noun:
  • The patient was diagnosed with spinal stenosis, which was causing pain in his legs.
  • Aortic valve stenosis can impede blood flow from the heart.
  • The surgeon performed a procedure to correct the stenosis in the bile duct.

Advanced Usage

• "Stenotic" (Adjective): Describing something affected by or characterized by stenosis.
  • The stenotic artery required immediate intervention.
• Combining Forms: "Stenosis" is frequently combined with a prefix to specify the location.
  • Pyloric stenosis (narrowing of the stomach outlet).
  • Mitral stenosis (narrowing of the mitral valve in the heart).

Variants and Related Words

• Stenotic (adj): Pertaining to or affected by stenosis.
• Stenosed (adj): An alternative adjective form meaning narrowed by stenosis.
• -stenosis (suffix): Used to form compound nouns specifying the location of the narrowing (e.g., ).

Synonyms

• Stricture: A synonym often used interchangeably, particularly for tubular structures.
• Narrowing: A general, non-technical term.
• Constriction: A broader term that can describe the act or result of narrowing.

Antonyms

• Dilation: The act of expanding or widening.
• Ectasia or Ectasis: The medical term for dilation or distension of a tubular structure.

Notes

• "Stenosis" is a term used almost exclusively in medical and anatomical contexts. It does not have common phrasal verbs or idioms associated with it in everyday language.

Noun

1. abnormal narrowing of a bodily canal or passageway