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BDSM Dictionary : Anus: history
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This entry is part of the BDSM Dictionary hosted by Informed Consent.
This is the version from 26 Jul 06, 10:10 AM. The full history of this entry will show any more recent versions.
The anus, is the final portion of the large intestine, and consists of muscles controlling the outlet (the anal sphincter) and skin coverning them. The internal mucosa of the intesting join with the external skin at the anus.
The rectum is that portion of the large intestine lying immediately before the anus. It is somewhat ill-defined anatomically, but is generally considerd to end at the relatively sharp turn some 10 inches or so up from the anus.
Little lubrication is produced by the anus or rectum, and so insertion of anything into it must be used with externally supplied lubrication. This is a major difference from the vagina, which is self-lubricating in normal circumstances. Colloquial
(This entry in the BDSM Dictionary incorporates text from the Anus article in Wipipedia.)
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