middle superior alveolar branch of infraorbital nerve

mid·dle su·pe·ri·or al·ve·o·lar branch of in·fra·or·bit·al nerve

[TA] the middle superior alveolar branch, a branch of the superior alveolar nerve that contributes to the superior dental plexus of the maxillary premolar teeth. Synonym(s): ramus alveolaris superior medius nervi infraorbitalis