Helminth Egg Identification Tools & Simulator

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Identification Tips

Use both morphological features and measurements for accurate identification. Look for:

  • Presence of operculum (lid-like structure)
  • Presence of polar plugs
  • Shell texture (mamillated, smooth, thick)
  • Presence of spines
  • Overall shape and symmetry

Pay attention to size ranges to differentiate between similar species.

Step 1: Select Egg Size
Small Large
<50 μm 50-80 μm >80 μm
Step 2: Select Egg Shape
Step 3: Select Key Features

Identification with Decision Tree

Answer a series of questions to narrow down possibilities. This is like a step-by-step diagnostic process.

What is the approximate size of the egg?

Interactive Microscope View

Select an egg to view under the microscope:

Select an egg
Select an egg to view

Detailed information about the selected egg will appear here.

Size:

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Key Features:

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Compare Helminth Eggs

Select eggs to compare their morphological features side by side:

Hold Ctrl/Cmd to select multiple eggs (up to 3)

Reference Guide

Literatur
archive Lardín, Carlos & Pacheco, Silveria. (2013). Helminths: Handbook for Identification and Counting of Parasitic Helminth Eggs in Urban Wastewater. 10.2166/9781780407159.
archiveImage source: CDC, Global Health, Division of Parasitic Diseases and Malaria.
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