The Oropharynx (oral part of the pharynx) reaches from the Uvula to the level of the hyoid bone. It opens anteriorly, through the isthmus faucium, into the mouth, while in its lateral wall, between the two palatine arches,'s the palatine tonsil. Normal oropharyngeal flora Fusobacterium Although older resources have stated that Fusobacterium's a common occurrence in the human oropharynx, the current consensus's that Fusobacterium should always be treated as a pathogen. HACEK organisms The name'… (More on Oropharynx)