Rich R. Clinical immunology. 5th ed. Elsevier; 2019 Figure 4.2 I recently made a post in one of my science Facebook groups trying to explain some of the basics about antibodies to people and was asked if it could be shared. The group, however, is private so sharing its content is not permitted but I realized I could just reproduce the post below, so this is that (also I can include hyperlinks here which is nice). It’s more informal than the content of this blog usually is. I have modified i...