posterior superior alveolar branches of maxillary nerve

pos·te·ri·or su·pe·ri·or al·ve·o·lar branch·es of max·il·lar·y nerve

[TA] the branches of the superior alveolar nerves that supply the maxillary sinus and the molar tooth. Synonym(s): rami alveolares superiores posteriores nervi maxillaris [TA]