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education
exploring cell division and cell structures through open data

identifying mitotic stages in a large image dataset

Identify cells at different stages of mitosis within a gallery of 200,000 real cell images

resource type / 
Lesson(s)
published / July 9, 2026
education level / 
Undergraduate
share/
Subset of cell images that can be explored via the Allen Institute’s open access Deep Cell Zoom online tool.
This is some text inside of a div block.

lessons & resources in this unit

an introduction to mitosis using real cell images
interactive 3D model of cell division
exploring organelle localization throughout mitosis
introduction to the Cell Feature Explorer (CFE)
quantitative analysis of stem cell images

in this lesson

table of contents will display on published page only
set h2 to populate the table of contents here

contributors

Madison Meuler
Education and Engagement Specialist II
Claire Weichselbaum
Education & Engagement Specialist III
Kaitlyn Casimo
Senior Manager, Education & Engagement
Gideon Dunster
Scientific Program Manager
Carlos Goller
Teaching Professor, North Carolina State University

This lesson introduces students to research at the Allen Institute exploring intracellular organization within fluorescently tagged human-induced pluripotent stem cells (hiPSCs). After learning about fluorescently tagged hiPSCs, students are introduced to the Deep Cell Zoom online tool where they can view over 200,000 images of these cells. Students are then asked to explore the collection of images and visually identify examples of cells at each stage of mitosis. At the end of this lesson, students will have created their own cell gallery featuring real cell images representing the different stages of mitosis.

learning objectives/

  • Define human induced pluripotent stem cells (hiPSCs)
  • Describe how fluorescent microscopy images are collected and processed at the Allen Institute
  • Explore real images of human induced pluripotent stem cells from the Deep Cell Zoom Tool  
  • Categorize cell images based on what stage of the cell cycle/mitosis they appear to be in  
  • Justify the images you chose for your cell gallery by articulating what visual aspects of a cell made you classify it as a certain stage of mitosis

materials

  • Instructor Guide
  • Slides
  • Student assignment‍
  • Tutorial video
download materials

terms of use/

This work is licensed under the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0). To view a copy of this license, visit https://creativecommons.org/licenses/by-nc-sa/4.0/.

funding acknowledgement/

The development of this lesson was supported by the National Science Foundation under Award Number 2236366. The content is solely the responsibility of the authors and does not necessarily represent the official views of the National Science Foundation. ‍

Last updated March 2026

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