TEMPORAL AND INFRATEMPORAL FOSSAE

 The entire area consists of 2 fossae divided by the zygomatic arch.

TEMPORAL FOSSA 

• Related to the temple of the head.
• Communicates with the infratemporal fossa beneath the zygomatic arch.

INFRATEMPORAL FOSSA

• An irregularly shaped fossa inferior and medial to the zygomatic arch.
• Communicates with the pterygopalatine fossa at the pterygomaxillary fissure.

MUSCLES

• Temporalis
• Lateral pterygoid 
• Medial pterygoid

ARTERIES

• Maxillary and its branches

VEINS

• Pterygoid plexus of veins and tributaries

NERVES

• Mandibular division of the trigeminal n. and branches
• Posterior superior alveolar (branch of maxillary division of trigeminal)
• Chorda tympani (branch of the facial n.)
• Otic ganglion 
• Lesser petrosal