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What is All of these are branches of maxillary nerve in pterygopalatine fossa except: and explain in detail?
Infraorbital nerve emerges within the orbit.
Gives 2 branches:
Middle superior alveolar nerve - arises in infraorbital groove.  
Anterior superior alveolar nerve - arises in infraorbital canal.
Branches of maxillary nerve in pterygopalatine fossa:

Zygomatic nerve:-
	
Zygomaticotemporal
Zygomaticofacial


Ganglionic branches (branches of pterygopalatine ganglion). 
 Posterior superior alveolar nerve


KEY CONCEPT:
Infraorbital nerve is the continuation of maxillary nerve. Enters the orbit through inferior orbital ﬁssure.