Anatomical Abnormality
anorectal malformation
an·o·rec·tal mal·for·ma·tion
Subclass of:
Congenital digestive system anomalies
Also called:
Anal Atresia; Imperforate Anus
Definitions related to anorectal malformations:
  • (anorectal anomaly) An abnormality of the anus or rectum.
    Human Phenotype Ontology (HPO)
    The Human Phenotype Ontology Project, 2025
  • Congenital defects in the anus and the rectum often involving the urinary and genital tracts.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
  • Anorectal malformations are birth defects in which the opening of the anus is narrow, covered with skin, or missing. Infants may develop intestinal obstruction.
    Merck Manuals
    Merck & Co., Inc., 2025
  • In anorectal malformations, the opening of the anus is narrow, covered with skin, or missing.
    Merck Manuals
    Merck & Co., Inc., 2025
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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.