Accepted at 10:41 p.m. Oct, 31, 2023 by Alex
Author: ZigWiggy
Related Note: 1520300810177
Rationale for change

More clearly separates the CD40L/CD40 interaction from the B7/CD28 interaction, which seems to be the more emphasized one in the context of T cells and macrophages. Also pasted a page from Abbas immunology found in this Reddit post where someone else was confused by this card: https://www.reddit.com/r/step1/comments/984v0r/whats_the_difference_between_cd40cd40l_and_b7cd28/

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