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  1. What Does the Appendix Do? Anatomy, Function, Diseases

    6 days ago · The appendix is a small, finger-shaped organ that branches off the cecum. The cecum is a pouch situated at the junction of the small intestine and large intestine whose main …

  2. Appendix (anatomy) - Wikipedia

    The appendix is an important component of mammalian mucosal immune function, particularly B cell -mediated immune responses and extrathymically derived T cells.

  3. What Does the Appendix Do? - Healthline

    Sep 16, 2025 · Modern research suggests it plays a role in intestinal health and immune support. The appendix is about 4 inches long and looks like a small, narrow tube. It’s attached to the …

  4. Appendix: What Is It, and What Does It Do? - Everyday Health

    Jun 27, 2024 · What Is the Function of the Appendix? The muscles lining your GI tract, along with the hormones and enzymes that the system produces, allow your GI tract to break down and …

  5. The appendix plays a hidden role in gut health : Shots ... - NPR

    Feb 2, 2024 · So what are the appendix's beneficial roles? It turns out that the appendix appears to have two related functions. The first function is supporting the immune system. The …

  6. Appendix | Definition, Location, Function, & Facts | Britannica

    Sep 26, 2025 · Appendix, in anatomy, a vestigial hollow tube that is closed at one end and is attached at the other end to the cecum, a pouchlike beginning of the large intestine into which …

  7. Your Appendix May Not Be Useless After All - McGill University

    Jun 21, 2024 · It would make sense for the appendix to have or have had some sort of function, as it independently evolved in many species over time. We have also learned that the …

  8. The functional landscape of the appendix microbiome under ...

    The term "appendix" comes from the Latin word "appendere," which means "to hang upon" [3]. Historically, the appendix was named because it hangs on to the cecum, which resembles a …

  9. What Does The Appendix Do? » ScienceABC

    Jun 2, 2024 · Although the exact function of the appendix is still unknown, it is thought to be involved in the immune system and in the early development of the fetus.

  10. Appendix - Structure, Function, Location, Anatomy, Diagram

    Though its function is not entirely understood, it is thought to play a role in immunity. The appendix is located in the right lower quadrant (RLQ) of the abdomen. It arises from the …