Letter I

Introitus

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In anatomy, an introitus is an entrance, one that goes into a canal or hollow organ.</P> The introitus of the facial canal is the entrance to the facial canal, a passage in the temporal bone of the skull through which the facial nerve (the 7th cranial nerve) travels.

The introitus of the vagina is the opening to the vagina:</P> NTER><IMG height=375 alt='Female Illustration - Introitus' src='http://images.medicinenet.com/images/ABUTERUS.GIF' width=400> </CENTER> The Latin word 'introitus' comes from 'intro', into, within + 'ire', to go = to go into.

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