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Complement System Concept Map for Immunology Students

See how the three activation pathways converge on C3 and the membrane attack complex. Then build your own map from lecture slides or a PDF.

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CogniGuide at a glance

What you get
Interactive mind maps of the main ideas and how they connect. Free: overview maps (detailed maps on your first 3 creations). Plus: detailed maps with supporting concepts.
Exports
Your first PDF or PNG export is free; Plus exports anytime.
Price
Free plan: 5 creations a week, up to 3 a day. Plus: $9.99/month or $99.90/year (USD; local prices at checkout).
Sign-up
A free account is required before you create anything (Google or email). No credit card.
What you can upload
PDF, Word (.docx), PowerPoint (.pptx), plain text or Markdown, and images (PNG, JPG, WebP, GIF), or type a topic. One file per creation on the free plan; several at once on Plus.

How it compares: vs Knowt · vs Quizlet · vs NotebookLM · vs Mapify

Build Your Complement Map From Your Notes

Upload your immunology material and get a branching map of the complement cascade in minutes.

Map from your own material

Upload a PDF, slides or notes, and the AI extracts pathways, proteins and regulators into branches.

Expand any step

Open a node like C3 convertase to add AI-generated detail on its formation and function.

Turn it into a quiz

Convert the finished map into a quiz to test how well you remember each pathway.

How to Make a Complement System Map

Start from your immunology notes or simply type the topic, then refine the map as you study.

  1. 1

    Add your material

    Upload lecture slides, a PDF chapter or type complement system as your topic.

  2. 2

    AI builds the map

    The AI organizes the pathways, components and regulators into an expandable mind map.

  3. 3

    Study, expand and quiz

    Edit nodes, expand weak areas, then export or quiz yourself on the pathways.

Complement System Concept Map Explained

A complement system concept map shows how the complement system, a group of plasma proteins in innate immunity, is activated and regulated. The system works through three activation pathways (classical, lectin and alternative) that converge on C3 and then produce the membrane attack complex. A good map separates the triggers, enzymes and effector outcomes of each route.

  • Classical pathway: triggered by antibody-antigen complexes and C1q binding
  • Lectin pathway: activated when mannose-binding lectin recognizes microbial sugars
  • Alternative pathway: spontaneous C3 hydrolysis amplified on surfaces
  • Membrane attack complex: C5b-9 pore that lyses target cells
  • Regulators: factors such as C1 inhibitor and CD59 that limit damage

Use the map to revise each pathway side by side and check where regulators act. CogniGuide can turn your own complement notes into a personalized map you can expand and quiz yourself on.

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Complement System Map Questions

Answers on the complement system and on making your own map.

What are the three complement activation pathways?

The classical, lectin and alternative pathways. The classical pathway starts with C1q binding antibodies, the lectin pathway with mannose-binding lectin, and the alternative pathway with spontaneous C3 hydrolysis on surfaces.

What does the membrane attack complex do?

It is formed from C5b through C9 and inserts into the membrane of a target cell, creating a pore. This lets water and ions in, causing the cell to lyse.

Which file types can I use to build my own map?

You can upload PDF, Word (DOCX), PowerPoint (PPTX), text or Markdown files, or images. You can also type a topic directly.

Can I turn my complement map into a quiz?

Yes. Once the map is built, you can convert it into a quiz to test your recall of each pathway and component. The free plan allows 5 creations a week.