Anterior limit of infratemporal fossa is:
(A) Lateral pterygoid plate (B) Maxillary posterior wall (C) Pterygomaxillary fissure (D) Mastoid process
(B) Infratemporal fossa is an irregular space found below zygomatic arch.
Boundaries:

Anteriorly : Posterior surface of maxilla.
Medially : Lateral pterygoid plate and pyramidal process of palatine bone.
Laterally : Ramus of mandible.
Superiorly : Infratemporal surface of greater wing of sphenoid.