Temporal & Infratemporal Fossa

Temporal Fossa

lies on the side of the skull,

BOUNDARIES

• Anterior: Zygomatic and frontal bones. 
• Posterior: Inferior temporal line and supramastoid crest.
  
• Superior: Superior temporal line 
• lnferior : Zygomatic arch.
• Floor: Parts of frontal, parietal, temporal and greater wing of sphenoid.
  
  
• Temporalis muscle is attached to the floor and inferior temporal line.

CONTENTS

1. Temporalis muscle.
2. Middle temporal artery (branch of superficial temporal artery
3. Zygomaticotemporal nerve and artery.
4. Deep temporal nerves for supplying temporalis muscle.
5. Deep temporal artery, branch of maxillary artery.

Infratemporal Fossa

It is an irregular space below zygomatic arch.

BOUNDARIES

• Anterior: Posterior surface of body of maxilla. 
• Roof: Infratemporal surface of greater wing of sphenoid.
  
• Medial: Lateral pterygoid plate and pyramidal process of palatine bone.
• Lateral: Ramus of mandible
  

Contents
1. Lateral pterygoid muscle.
2. Medial pterygoid muscle
3. Mandibular nerve with its branches.
4. Maxillary nerve with posterior superior alveolar nerve.

5. Chorda tympani, branch of VII nerve.
6. 1st and 2nd parts of maxillary artery with their branches.
7. Posterior superior alveolar artery, branch of 3rd part of maxillary artery.
8. Accompanying veins 

Watch Lectures on YouTube:

Temporal Region | Boundaries | Contents

Temporal Fascia | Content Of Temporal Fossa | Attachments | Morphological Importance

Temporalis Muscle | Origin | Insertion | Nerve Supply | Action

Nerves of Temporal Fossa | Deep Temporal Nerve | Auriculo-temporal Nerve

Arteries of Temporal Fossa | Deep Temporal Arteries | Superficial Temporal Artery & Its branches

Infratemporal Fossa | Boundaries | Communications | Contents