Definition: on the undersurface of the vaginal process of the sphenoid bone, a furrow that is converted into a canal by the sphenoidal process of the palatine bone; it transmits the pharyngeal branch of the maxillary artery and the pharyngeal nerve from the pterygopalatine ganglion.
Synonym(s): canalis palatovaginalisTA, pharyngeal canal
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Examples: glitazone, GI cocktail, etc.