FOSSA
,Definition
• The infratemporal fossa is a
complex and irregularly shaped
space, located deep to the
masseter muscle.
• It acts as a conduit for many
neurovascular structures that
travel between the cranial cavity
and other structures of the head.
, Borders
• The infratemporal fossa can be
said to have a wedge shape. It is
located deep to the masseter
muscle and zygomatic arch (to
which the masseter attaches).