this post was submitted on 27 Feb 2024
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Something kinda like that. They're called Peyer's Patches, and they're like a base of operations for immune cells. They not only gather there, but they also scout out the bacteria present by reaching through the intestinal lining and pulling some of the stuff through.
Also, a lot of bacteria in our guts aren't really trying to get into our system. The intestinal epithelium produces mucus to prevent bacteria from getting close to the intestinal lining, and most bacteria are pretty chill with that
Damn, it's gotta suck to be born an immune cell and get assigned to work out of the butthole for your short life.
It suck to be an immune cell in general. Many disease-causing bacteria have evolved ways to subvert and kill immune cells in spectacular ways. And immune cells generally just have pretty short lifespans to begin with