Parasite
Entamoeba histolytica
Amebic trophozoite with RBC clue
en-tuh-MEE-buh his-toh-LIT-ih-kuh
High-yield clue
Trophozoites with ingested RBCs is the classic study clue.
Overview
An amebic protozoan used to teach cyst/trophozoite vocabulary, flask-shaped ulcer vocabulary, and ingested RBC morphology clues.
Classification
- Protozoan
- Ameba
- Cyst/trophozoite concept
Lab & identification clues
- Ova/parasite exam vocabulary
- Antigen/PCR concepts
- Ingested RBC teaching image
Associations
- Amebic dysentery vocabulary
- Liver abscess vocabulary
- Fecal-oral transmission framing
Commonly confused with
- Giardia duodenalis
- Cryptosporidium
Frequently asked questions
What is Entamoeba histolytica?
An amebic protozoan used to teach cyst/trophozoite vocabulary, flask-shaped ulcer vocabulary, and ingested RBC morphology clues.
What are the lab clues for Entamoeba histolytica?
Lab clues for Entamoeba histolytica include Ova/parasite exam vocabulary, Antigen/PCR concepts, and Ingested RBC teaching image.
What is Entamoeba histolytica commonly confused with?
Entamoeba histolytica is commonly confused with Giardia duodenalis and Cryptosporidium.
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.