Your Gut Is Smarter Than You Think — And It’s Protecting You Every Day.

Most people think of the gut as just a place where food is digested. But what if I told you it’s also home to your immune army?

In the very last part of your small intestine, near the area we often associate with the appendix, there are special structures called Peyer’s patches. They’re like small immune hubs — clusters of lymph tissue quietly working behind the scenes to protect you from harmful microbes.

These Peyer’s patches (named after a Swiss anatomist, Johann Conrad Peyer, who discovered them in the 17th century) are not just passive bystanders. They contain B-lymphocytes, T-lymphocytes, and macrophages — immune cells that actively monitor what enters your body through food and environment. You might say they’re the “border patrol” of your gut.

When this part of the intestine becomes irritated or inflamed — whether due to food sensitivities, imbalances in gut flora, or stress — these immune centers can weaken. And when they’re not functioning well, your whole immune system can suffer. It’s not just about digestion anymore — it becomes about your ability to fight infections, handle inflammation, and even how your body responds to stress.

In her book Techniques in Iris Analysis Textbook for Iridology , Dr. Ellen Tart-Jensen explains how signs of inflammation in the Peyer’s patch region can even be seen in the iris — the colored part of your eye. This is part of the beauty of iridology: being able to see where your body is calling for support, even before symptoms appear.

Disclaimer:

The information provided on this website is for educational purposes only. It is not intended to diagnose, treat, cure, or prevent any disease. Always consult with a qualified healthcare professional before making any changes to your diet, health regimen and before starting any supplements.

Reference:

Tart-Jensen, Ellen. Techniques in Iris Analysis: Textbook for Iridology. Jensen Iridology, 2013.