Cell or Molecular Dysfunction
chromosome aberration
[ kroh-muh-sohm ab-uh-rey-shuhn ]
Subclass of:
Pathologic Processes; Mutation
Definitions related to chromosome aberrations:
  • Irregularity in the number or structure of chromosomes that may alter the course of development.
    CRISP Thesaurus
    National Institutes of Health, 2006
  • Abnormal number or structure of chromosomes. Chromosome aberrations may result in CHROMOSOME DISORDERS.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2021
  • (cytogenetic abnormality) An irregularity in the number or structure of chromosomes, usually in the form of a gain (duplication), loss (deletion), exchange (translocation), or alteration in sequence (inversion) of genetic material.
    NCI Thesaurus
    U.S. National Cancer Institute, 2021
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This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.