Short Wave This Scientist Figured Out Why Your Appendix Isn't Useless
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Feb 2, 2024 
Heather Smith, a Professor of Anatomy at Midwestern University and editor of The Anatomical Record, dives into the surprising functions of the appendix. Once deemed useless, she reveals its potential roles in gut health and immune function. After her own appendicitis at age 12, Heather became fascinated by this overlooked organ. She discusses revolutionary ideas for treating appendicitis that could reduce reliance on surgery, emphasizing the need for continued anatomical research to reshape our understanding of the human body.
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Ski Trip Appendicitis
- Heather Smith's childhood ski trip was derailed by appendicitis, leading to surgery.
- This sparked a lifelong fascination with the appendix, ultimately shaping her career as an anatomy professor.
Appendix Across Species
- The human appendix, a small, worm-like projection off the large intestine, has counterparts in various mammals.
- These vary in shape and size, from the vermiform type in humans to elongated cecums in rabbits.
Appendix Evolution
- Darwin's theory suggested the appendix was vestigial, but modern research reveals its adaptive functions.
- The appendix's repeated evolution across mammals points towards its importance.