Diseases

Imperforate Anus

A congenital abnormality characterized by the persistence of the anal membrane, resulting in a thin membrane covering the normal ANAL CANAL. Imperforation is not always complete and is treated by surgery in infancy. This defect is often associated with NEURAL TUBE DEFECTS; MENTAL RETARDATION; and DOWN SYNDROME.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A congenital abnormality characterized by the persistence of the anal membrane, resulting in a thin membrane covering the normal ANAL CANAL. Imperforation is not always complete and is treated by surgery in infancy. This defect is often associated with NEURAL TUBE DEFECTS; MENTAL RETARDATION; and DOWN SYNDROME.

MeSH Record

Classification

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MeSH Record

Synonyms

5 entry terms
  • Anal Atresia
  • Anus, Imperforate
  • Atresia, Anal
  • Anal Atresias
  • Atresias, Anal

MeSH Record

Aspects Covered

34 allowable subheadings

Indexed with the subheadings blood, cerebrospinal fluid, chemically induced, classification, complications, diagnosis, diagnostic imaging, diet therapy, drug therapy, economics, embryology, enzymology, epidemiology, ethnology, etiology, genetics, history, immunology, metabolism, microbiology, mortality, nursing, parasitology, pathology, physiopathology, prevention & control, psychology, radiotherapy, rehabilitation, surgery, therapy, urine, veterinary, virology.

MeSH Record

History Note

66(64)

MeSH Hierarchy

Tree Numbers

MeSH Record

NLM Classification

WI 600

AMA Style

References

  1. National Library of Medicine. Imperforate Anus. Medical Subject Headings (MeSH). 2026. Unique ID D001006. http://id.nlm.nih.gov/mesh/2026/D001006
  2. Imperforate Anus. In: Wikipedia. https://en.wikipedia.org/wiki/Imperforate_anus
  3. Imperforate Anus. In: Wikidata. https://www.wikidata.org/wiki/Q484631