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Ileum, caecum and colon of rabbit, showing Appendix vermiformis on fully functional caecum The human vermiform appendix on the vestigial caecum. The appendix was once believed to be a vestige of a redundant organ that in ancestral species had digestive functions, much as it still does in extant species in which intestinal flora hydrolyze cellulose and similar indigestible plant materials. [10]
The longest appendix ever removed was 26 cm (10 in) long. [3] The appendix is usually located in the lower right quadrant of the abdomen, near the right hip bone. The base of the appendix is located 2 cm (0.79 in) beneath the ileocecal valve that separates the large intestine from the small
In humans, the vermiform appendix is sometimes called a vestigial structure as it has lost much of its ancestral digestive function.. Vestigiality is the retention, during the process of evolution, of genetically determined structures or attributes that have lost some or all of the ancestral function in a given species. [1]
The mucosa-associated lymphoid tissue (MALT), also called mucosa-associated lymphatic tissue, is a diffuse system of small concentrations of lymphoid tissue found in various submucosal membrane sites of the body, such as the gastrointestinal tract, nasopharynx, thyroid, breast, lung, salivary glands, eye, and skin.
The adjective "appendicular" comes from Latin appendicula, meaning "small addition". [2] It is the diminutive of appendix , which comes from the prefix ad- (meaning "to") + and the word root pendere (meaning"to hang", from PIE root *(s)pen- meaning "to draw, stretch, spin").
maybe this is connected before birth, it is not like parasitic connection with the mother since intestine do serve alike parasite system, like when we grow up nutrients are from intestine too, it like "heals" inside the tummy or belly, when the child is ready for food other than mothers breast milk this navel and appendix are completely healed and independent with each other 103.224.94.24 09: ...
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Laparoscopic view of a phlegmonous cecal appendix with fibrinous plaques, located in the right iliac fossa. The surgical procedure for the removal of the appendix is called an appendectomy. A negative appendectomy consitutes the removal of a normal appendix with no sign of inflammation in histopathology examination.