varix

/'veəriks/

Thân thiện

A doctor points to a varix on a patient's leg during an examination.

Definition

Noun: 1. An abnormally enlarged, dilated, or twisted blood vessel or lymphatic vessel: This is the primary medical meaning, referring to a pathological swelling or tortuosity of a vein, artery, or lymphatic duct. It most commonly describes a varicose vein. 2. (In zoology) A distinct ridge or marking on a shell: This specialized meaning refers to a raised, thickened line or ridge marking a former position of the aperture in the shells of certain gastropods.

Examples

• Medical context:
  • The patient was diagnosed with a painful varix in the lower esophagus.
  • A ruptured varix can lead to serious internal bleeding.
• Zoological context:
  • The fossil's shell shows a prominent varix, indicating a period of paused growth.

Advanced Usage

• The term is most frequently used in its plural form, varices (/ˈver.ɪ.siːz/), especially in medical contexts (e.g., ).
• It is a formal, technical term primarily found in medical, anatomical, and zoological literature.

Variants and Related Words

• Varices (n., plural): The most common form used, especially in medicine.
• Varicose (adj.): Relating to, affected by, or characterized by varices. (e.g., ).
• Varicosity (n.): The condition of being varicose; a varix.

Synonyms

• Medical: Varicose vein, dilated vessel, enlarged vein.
• Zoological: Ridge, keel, thickening.

Notes on Different Meanings

• The medical meaning (abnormal vessel) is by far the most common and widely recognized usage.
• The zoological meaning is highly specialized and is only relevant in the context of malacology (the study of mollusks) and paleontology.

Học thuật

Noun

1. abnormally enlarged or twisted blood vessel or lymphatic vessel