3-Lateral pterygoid
muscle
Lower head :
Lateral surface of
lateral pterygoid plate
Infratemporal crest
3- Pterygoid Fovea
Protraction
Relations
between lateral
pterygoid and
mandibular
nerve
Deep temporal
nerves
Buccal
Deep
then
Between 2
heads
then
Superficial to
lower head
Upper
head of
lateral
pterygoid
Lower head of
lateral
pterygoid
Sphenomandibular
ligament
Relations
between
lateral
pterygoid and
maxillary
artery
2
nd
Part of
Maxillary artery
(deep or superficial)
1
st
part of Maxillary artery
(deep)
1- Deep auricular
2- Anterior Tympanic
3- Middlle meningeal
4- Accessory Meningeal
5- Inferior Alveolar
Lateral Pterygoid
3
rd
Part of
Maxillary artery
(between 2 heads)
A- Muscles
1- Lower part of
Temporalis
2- Superficial head of
Medial Pterygoid
B- Vessels
1- 2
nd
part of
maxillary artery
2- Pterygoid
Plexus of veins
3- Deep facial vein
C- Nerves
1- Buccal nerve of
Mandibular nerve
i- Muscles
ii- Nerves
iii- Vessels
iv- Ligaments
Tensor Palati Muscle
Levator Palati Muscle
Lateral Pterygoid
i- Muscles
Mandibular Nerve
and its Branches
Auriculo-Temporal nerve
Inferior Alveolar nerve
Lingual nerve
Chorda Tympani
nerve
ii- Nerves
Deep temporal nerves
Buccal nerve
2
nd
Part of
Maxillary artery and it branches
Branches of 1
st
part of Maxillary artery
1- Deep auricular
2- Anterior Tympanic
3- Middlle meningeal
4- Accessory Meningeal
5- Inferior Alveolar
Lateral Pterygoid
iii- Vessels
Sphenomandibular
ligament
iv- Ligaments
Structures that pass at
1- Upper border
3- Lower border
3- in between the two heads
Deep temporal vessels and nerve
vessels and nerve to masseter
Inferior alveolar nerve
Sphenomandibular
ligament
Lingual nerve
Buccal nerve
Maxillary artery
1- At the Upper Border
2- At the Lower Border
Inferior alveolar vessels
3- Between
The Two Heads
Pterygoid Plexus of Veins
Surrounds
The Whole Muscle