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

    Oct 23, 2025 · 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. Appendix | Definition, Location, Function, & Facts | Britannica

    6 days ago · 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 …

  4. 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 …

  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. What Is the Purpose of the Human Appendix? - ScienceInsights

    Nov 26, 2025 · The appendix is a primary site for the production of Immunoglobulin A (IgA), an antibody secreted into the gut to regulate the density and quality of the intestinal flora. The …

  7. What Does the Appendix Do? | Ochsner Health

    Feb 14, 2025 · For many years, the appendix was considered a “vestigial” organ, meaning it is a remnant of development and evolution that serves little purpose. It is part of the GI tract but …

  8. The Appendix Is an Organ: Its Purpose and Function

    Aug 23, 2025 · Current research suggests the appendix serves a dual purpose, primarily related to the immune system and gut health. It contains significant lymphoid tissue, a key component …

  9. The Appendix - Retrocecal - Arterial supply - TeachMeAnatomy

    Nov 6, 2025 · It contains a large amount of lymphoid tissue but is not thought to have any vital functions in the human body. In this article, we shall look at the anatomy of the appendix – its …

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

    Jul 22, 2022 · 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 …