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Anatomy 344 - Head and neck > temporal & infratemporal fossa > Flashcards

temporal & infratemporal fossa Flashcards

1
Q
A

Temporal fossa

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2
Q

Temporal fossa

A

Related to the temple of the head

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3
Q

Temporal fossa communicates with the infratemporal fossa _____

A

Beneath the zygomatic arch

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4
Q
A

Infratemporal fossa

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5
Q

Infratemporal fossa

A

An irregularly shaped fossa inferior and medial to the zygomatic arch
Deep to the ramus of the mandible
Posterior to the maxilla

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6
Q

The infratemporal fossa communicates with the pterygopalatine fossa at the ______

A

pterygomaxillary fissure

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7
Q
A
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8
Q

Temporal fossa contents

A
  • Temporalis muscle
  • Deep temporal arteries (maxillary)
  • Deep temporal nerves
  • Superficial temporal artery (ext carotid)
  • Auriculotemporal nerve
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9
Q

Name the borders of the infratemporal fossa

A
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10
Q

Infratemporal fossa shape

A

Irregularly shaped

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11
Q

Infratemporal fossa is deep and inferior to

A

zygomatic arch

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12
Q

Infratemporal fossa borders

A

Lat: Ramus of mandible
- Coronoid & condylar processes

Med: lateral pterygoid plate

Ant: posterior aspect of maxilla

Post: tympanic plate, mastoid & styloid processes of temporal bone

Sup: infratemporal surface of greater wing of sphenoid bone

Inf: medial pterygoid attaches to mandible near angle

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13
Q

the Infratemporal fossa communicates with the

A

temporal fossa

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14
Q

Contents of Infratemporal fossa

A

Distal attachment of temporalis
Medial and lateral pterygoid muscles
Maxillary artery
Pterygoid venous plexus
Mandibular nerve and branches
Otic ganglion
Includes temporomandibular joint

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15
Q

The maxillary artery is the

A

Larger of the two terminal branches of the external carotid artery

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16
Q

The maxillary artery arises

A

Arises posterior to the neck of the mandible

17
Q

The maxillary artery is divided into three parts

A

based on its relation to the lateral pterygoid muscle

18
Q

The maxillary artery is found in the

A

Infratemporal fossa
Either within or lateral to the superficial head of the lateral pterygoid muscle

19
Q
A
20
Q

Maxillary artery

A

Largest terminal branch
Posterior to neck of mandible
Embedded in parotid gland
Pass horizontal medial to neck
S-shaped course towards pterygopalatine fossa
3 Parts (lateral pterygoid m.)

21
Q

Maxillary artery: 1st = mandibular part

A

Neck and sphenomandibular lig.
Parallel to and below auriculotemporal n.
Crosses inferior alveolar n.
To lower border of lat. pterygoid

22
Q
A

Anatomy 344 - Head and neck (10 decks)

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