Organisms

Ascaris lumbricoides

A species of parasitic nematode that is the largest found in the human intestine. Its distribution is worldwide, but it is more prevalent in areas of poor sanitation. Human infection with A. lumbricoides is acquired by swallowing fully embryonated eggs from contaminated soil.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A species of parasitic nematode that is the largest found in the human intestine. Its distribution is worldwide, but it is more prevalent in areas of poor sanitation. Human infection with A. lumbricoides is acquired by swallowing fully embryonated eggs from contaminated soil.

MeSH Record

Classification

Broader headings

Related Concepts

Knowledge Graph

Loading graph…

Drag nodes to rearrange; hover to trace links; click a node to open its page.

MeSH Record

Synonyms

2 entry terms
  • Ascaris lumbricoide
  • lumbricoides, Ascaris

MeSH Record

Aspects Covered

19 allowable subheadings

Indexed with the subheadings anatomy & histology, chemistry, classification, cytology, drug effects, embryology, enzymology, genetics, growth & development, immunology, isolation & purification, metabolism, microbiology, parasitology, pathogenicity, physiology, radiation effects, ultrastructure, virology.

MeSH Record

Indexing Annotation

a species of nematode, the largest found in the human intestine; infection: coord IM with ASCARIASIS (IM); for antigens, coord with ANTIGENS, HELMINTH, for antibodies, coord with ANTIBODIES, HELMINTH

MeSH Record

History Note

93

MeSH Record

Previous Indexing

  • Ascaris (1966-1992)

MeSH Hierarchy

Tree Number

AMA Style

References

  1. National Library of Medicine. Ascaris lumbricoides. Medical Subject Headings (MeSH). 2026. Unique ID D017164. http://id.nlm.nih.gov/mesh/2026/D017164
  2. Ascaris lumbricoides. In: Wikipedia. https://en.wikipedia.org/wiki/Ascaris_lumbricoides
  3. Ascaris lumbricoides. In: Wikidata. https://www.wikidata.org/wiki/Q468771