stenosis

/ste'nousis/
Học thuật
Thân thiện
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

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