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Why do we have an Appendix?

Why do we have an appendix? What does the appendix do? I'm going to convince you in this video that the appendix is a badass little organ. YES! It has a function! As a surgeon one of the most common operations I do every week is a laparoscopic appendectomy...removing a child's appendix. Very often I'm asked the questions...why do we have an appendix? What is the appendix? What does the appendix do? Sign up and join the CITIZENSURGEON Community: https://citizensurgeon.co/signup MUST HAVE SURGERY BOOKS Sabiston's Textbook of Surgery https://citizensurgeon.co/Sabiston Moore's Clinically Oriented Anatomy https://citizensurgeon.co/Moore Netter's Anatomical Atlas https://citizensurgeon.co/Netter Schwartz Principles of Surgery https://citizensurgeon.co/Schwartz Fischer's Mastery of Surgery https://citizensurgeon.co/Mastery Zollinger's Atlas of Surgical Operations https://citizensurgeon.co/Zollinger Top Knife (MUST MUST HAVE) https://citizensurgeon.co/topknife PICK UP THE BIBLE OF PEDIATRIC SURGERY Holcomb and Ashcraft's Pediatric Surgery https://citizensurgeon.co/Ashcraft DOES THE APPENDIX DO ANYTHING? Incorrectly many people think the appendix is just a left over, that it has no function or that it has no purpose. Wrong. The appendix DOES have a function, both an immune function and a digestive function. For example, the appendix sees little feces and is a storage warehouse for healthy commensal bacterial. After a diarrhoeal illness the appendix helps us repopulate the microbiome. The appendix has a significant immune function with secretory IgA and IgG and helps create a healthy biofilm in the colon. So don't just chop out the appendix to chop it out! We're going to cover a few clinical cases as well and at the bottom of the description I'll put the answers so you can check yourself! Check out these AMAZING timestamps and fast forward if you need to: Start 00:00 What is the appendix? 01:11 What is the histology of the appendix? 03:33 Why do we have an appendix? 04:30 The appendix and biofilm 10:39 The appendix and disease 14:18 REFERENCES Immune function of the appendix - Kook et al https://citizensurgeon.co/immuneappendix Sabiston Textbook of Surgery https://citizensurgeon.co/Sabiston Cope's Diagnosis of the Acute Abdomen https://citizensurgeon.co/Cope Top Knife (Must Have) https://citizensurgeon.co/TopKnife Chapter 42 Holcomb and Ashcraft's Pediatric Surgery https://citizensurgeon.co/Ashcraft WHO AM I? I'm Dr. Erik Pearson, FACS and I am a board certified pediatric surgeon living in Las Vegas. I make surgical education videos on all topics in general surgery as well as talks on lifestyle design as a surgeon, book reviews, and studying effectively. I also write a weekly newsletter called the Saturday Six where I identify Six different discoveries of the week. You can get the weekly newsletter by signing up to the CITIZENSURGEON Community! DISCLAIMER While my aim is to help educate you for the ward, the surgical ICU, the operating room and your exams remember these videos are not a replacement for your reading, your medical school and residency preparation and most important your own decision making. If you have medical questions definitely consult a medical professional. Good luck and enjoy! Affiliate Links - There are a few links in the description that may lead to a kickback to me to help support the channel.