Posterior superior alveolar aery is a branch of:
Posterior superior alveolar aery arises from third pa of maxillary aery just before it enters the pterygomaxillary fissure. BRANCHES OF MAXILLARY AERY
Abdomen: Miscellaneous
Nasal branch of maxillary aery
Palatal branch of maxillary aery
Mandibular aery
Inferior alveolar aery
Palatal branch of maxillary aery