attached_to hypopharynx tentorial bridge ventral cibarial dilatator HAO:0001057 The hypopharyngeal muscle that is unpaired and arises from the median anterior part of the tentorial bridge and inserts on the proximal part of the ventral wall of the cibarium or on the proximal margin of the sitophore, immediately distally to the point where the alimentary canal passes between the lateral arms of the sitophore. tentorio-hypopharyngeal muscle hypopharyngeal muscle