Parasite
Ascaris lumbricoides
Large intestinal nematode
AS-kuh-ris lum-brih-KOY-deez
High-yield clue
Large roundworm + thick mammillated egg + lung migration vocabulary.
Overview
A large roundworm used to teach nematode egg vocabulary, intestinal obstruction concepts, and lung-migration lifecycle terms.
Classification
- Helminth
- Nematode
- Intestinal roundworm
Lab & identification clues
- Ova/parasite egg vocabulary
- Mammillated egg morphology
- Adult worm term recognition
Associations
- Intestinal obstruction vocabulary
- Eosinophilia concept
- Soil-transmitted helminth framing
Commonly confused with
- Hookworm
- Strongyloides
- Taenia species
Frequently asked questions
What is Ascaris lumbricoides?
A large roundworm used to teach nematode egg vocabulary, intestinal obstruction concepts, and lung-migration lifecycle terms.
What are the lab clues for Ascaris lumbricoides?
Lab clues for Ascaris lumbricoides include Ova/parasite egg vocabulary, Mammillated egg morphology, and Adult worm term recognition.
What is Ascaris lumbricoides commonly confused with?
Ascaris lumbricoides is commonly confused with Hookworm, Strongyloides, and Taenia species.
Original student-study summary. Sources checked: OpenStax Microbiology 2e, NCBI Bookshelf Medical Microbiology, and CDC topic pages where applicable; reviewed 2026-06. Educational only; no diagnosis, treatment, dosing, or specimen-handling guidance.