"Today, the appendix is recognized as a highly specialized organ with a rich blood supply. This is not what we would expect from a degenerate, useless structure.
The appendix contains a high concentration of lymphoid follicles. These are highly specialized structures which are a part of the immune system. The clue to the appendix’s function is found in its strategic position right where the small bowel meets the large bowel or colon. The colon is loaded with bacteria which are useful there, but which must be kept away from other areas such as the small bowel and the bloodstream.
Through the cells in these lymphoid follicles, and the antibodies they make (see box below), the appendix is ‘involved in the control of which essential bacteria come to reside in the caecum and colon in neonatal life’.6 Like the very important thymus gland in our chest, it is likely that the appendix plays its major role in early childhood. It is also probably involved in helping the body recognize early in life that certain foodstuffs, bacterially derived substances, and even some of the body’s own gut enzymes, need to be tolerated and not seen as ‘foreign’ substances needing attack."
Wow. I think I just exceeded my word count. So today you have learnt something new so smile and share it with the world! (If you would prefer a less biased source, go to this website: http://www.scientificamerican.com/article.cfm?id=what-is-the-function-of-t
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