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62 Cards in this Set

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What makes up the zygomatic arch?
1. Temporal process of the zygomatic
2. Zygomatic process of the temporal bone
Anterior Boundary of Temporal Fossa
zygomatic process of the frontal bone and frontal process of the zygomatic bone
Posterior Boundary of Temporal Fossa
Inferior Temporal line
Superior Boundary of Temporal Fossa
Superior Temporal line
Lateral Boundary of Temporal Fossa
zygomatic arch
Inferior Boundary of Temporal Fossa
Infratemporal crest
Floor of temporal fossa
parts of the:
Frontal
Parietal
Temporal
Greater Wing of the Sphenoid
Temporal Fossa contains
Pterion
Temporalis muscle
Deep Temporal Nerves(V3) and arteries
Auriculotemporal Nerve
Superficial Temporal Vessels
Infratemporal Fossa contains
- lower portion of temporalis muscle
- lateral and medial pterygoid muscles
- pterygoid plexus of veins
- mandibular nerve and its branches
- Maxillary Artery and its branches
- Chorda Tympani
- Otic Ganglion
Anterior Boarder of Infratemporal Fossa
posterior surface of the maxilla
Posterior Boarder of Infratemporal Fossa
Styloid and Mastoid Processes
Medial Boarder of Infratemporal Fossa
lateral pterygoid plate of hte sphenoid bone
Lateral Boarder of Infratemporal Fossa
ramus and coronoid process of the mandible
Roof of infratemporal fossa
greater wing of the sphenoid and infratemporal crest
What are the muscles of mastication?
Temporalis
Masseter
Lateral Pterygoid
Medial Pterygoid
Temporalis Muscle is innervated by what branch of the trigeminal nerve
Deep Temporal Nerve (V3)
Structures superficial to the temporal fossa
Superficial temporal artery
Superficial Temporal Vein
Retromandibular vein
Auriculotemporal Nerve (V3)
what two veins join together to form the retromandibular vein?
Maxillary and Superficial Temporal Veins
what branch of the superficial temporal artery penetrates tempralis and anastomoses with deep temporal arteries?
Middle Temporal Branch
What muscles of mastication are found in the temporal fossa?
Temporalis and Masseter
what muscles of mastication are found in the infratemporal fossa?
Lateral Pterygoid
Medial Pterygoid
Ramus of the mandible is covered from the outside with _____ and from the inside with what muscle?
Outside: Masseter Muscle
Inside: Lateral Pteryoid
what limits extreme protrusion of mandible?
Stylomandibular ligament
An accessory ligament passes from spine of sphenoid bone to lingula of mandible
Sphenomandibular Ligament
what ligament develops from the 1st pharyngeal arch?
Sphenomandibular ligament
Upper head of the lateral pterygoid is attached to?
greater wing of sphenoid
Lower head of the lateral pterygoid is attached to?
lateral pterygoid plate
the Lateral Pterygoid inserts on?
capsule and disk of TMJ and neck of mandible
The superficial head of the medial pterygoid is attached to ?
maxillary tuberosity
the deep head of the medial pterygoid is attached to?
lateral pterygoid plate
the medial pterygoid inserts into?
medial surface of ramus and angle of mandible
what forms the mandibular sling?
Medial Pterygoid
Masseter
Mandibular Nerve (V3) enters the infratemporal fossa through the
foramen ovale
The anterior Division of the Mandibular nerve supply?
1. Mastication Muscles (motor)
2. Buccal Branch to the cheek(sensory)
What are the branches off the posterior divison of the mandibular nerve (V3)?
Auriculotemporal
Lingual
Inferior Alveolar Nerves
what branch off hte posterior division of the mandibular nerve is motor?
Inferior Alveolar Nerve
(gives off myolohyoid branch)
Auriculotempral Nerve carries postganglionic parasympathetic fibers from ____ to ______
Otic Ganglion to Parotid Gland
(secretomotor)
Lingual Nerve Carries what type of fibers
GSA
Lingual Nerve carries GSA fibers from
anterior 2/3 of tongue and floor of oral cavity
Chorda Tympani joins the Lingual Nerve in the
infratemporal fossa
Chordia tympani carries
taste from anterior 2/3 of the tongue and preganglionic parasympathetic fibers to submandibular ganglion
What are the nerves given off the Inferior Alveolar ?
Nerve to Mylohyoid
Mental Branch
Incisive Nerve
inferior alveolar nerve enters what foramen?
Mandibular Foramen
The mental Branch of the inferior alveolar nerve goes through what foramen?
Mental Foramen
Mental Branch of the inferior alveolar nerve innervate?
skin of the lower lip and chin, mucous membrane of the lower lip and the labial gingiva
The Incisive nerve innervates?
mandibular canine and incisor teeth
Branches off the 1st part of the Maxillary Artery
1. Deep Auricular
2. Anterior Tympanic
3. Middle Meningeal
4. Accessory Meningeal
5. Inferior Alveolar
Branches off the 2nd part of the Maxillary Artery
1. Masseteric Branches
2. Deep Temporal
3.Pterygoid Branches
4. Buccal Branch
Branches off the 3rd part of the Maxillary Artery
1. Posterior Superior Alveolar
2. Infraorbital Artery
3. Greater Palatine
4. Sphenopalatine
5. Pharyngeal
6. Artery of Pterygoid Canal
Middle Meningeal Artery goes through what foramen
foramen spinosum
Accessory Meningeal Artery traverses what foramen to enter the middle cranial fossa
foramen ovale
Inferior alveolar artery enters what foramen
mandibular foramen
The 3rd part of the maxillary artery transverses ____ fissure to enter___
Pterygomaxillary fissure into the ptergopalatine fossa
Pterygoid Plexus of veins join to form
Maxillary Veins
Pterygoid plexus is connected via _____ with cavernous sinus
emissary veins
Pterygoid plexus communicates with facial veins via
deep facial vein
what forms TMJ
Head (condyle) of the mandible and articular tubercle of the squamous portion of the temporal bone
the anterior capsule of TMJ is strengthened laterally by the
lateral temporomandibular ligament
TMJ gets sensory innervation from
massteric and auriculotemporal branches of V3
The Joint cavity is subdivided into upper and lower joint cavities by
articular disc
Upper or Lower cavity performs a hinge movement?
lower cavity
Upper or Lower cavity performs a gliding movement?
superior cavity