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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]
This is a list of bog bodies grouped by location of discovery. Bog bodies, or bog people, are the naturally preserved corpses of humans and some animals recovered from peat bogs . The bodies have been most commonly found in the northern European countries of Denmark, Germany, the Netherlands, the United Kingdom, and Ireland.
Many examples of these are vestigial in other primates and related animals, whereas other examples are still highly developed. The human caecum is vestigial, as often is the case in omnivores , being reduced to a single chamber receiving the content of the ileum into the colon .
Tollund Man, Denmark, 4th century BC Gallagh Man, Ireland, c. 470–120 BC. A bog body is a human cadaver that has been naturally mummified in a peat bog.Such bodies, sometimes known as bog people, are both geographically and chronologically widespread, having been dated to between 8000 BC and the Second World War. [1]
This is a list of notable people who have been described as recluses, individuals who live in voluntary seclusion from the public and society. Excluded are religious hermits , as well as people who live otherwise normal lives but value their privacy.
This is a list of people claimed to be immortal. This list does not reference purely spiritual entities (spirits, gods, demons, angels), non-humans (monsters, aliens, elves), or artificial life (artificial intelligence, robots). This list comprises people claimed to achieve a deathless existence on Earth.
Fictitious people are nonexistent people, who, unlike fictional characters, have been claimed to actually exist. Usually this is done as a practical joke or hoax, but sometimes fictitious people are 'created' as part of a fraud. A pseudonym may also be considered by some to be a "fictitious person", although this is not the correct definition.
In sociology and psychology, mass hysteria is a phenomenon that transmits collective illusions of threats, whether real or imaginary, through a population and society as a result of rumors and fear. [ 1 ] [ 2 ] In medicine, the term is used to describe the spontaneous manifestation—or production of chemicals in the body—of the same or ...