Opening the book…
Thumbnail: A scanning electron microscope (SEM) image of a single human lymphocyte. (Public Domain; Dr. Triche National Cancer Institute).
This page titled 20: Immune System was last modified on Tue, 14 Oct 2025 23:12:21 GMT and is shared under a CC BY-SA 4.0 license and was authored, remixed, and/or curated by Boundless (now LumenLearning).
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