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Head and Neck > Temporal, Infratemporal and Pterygopalantine Fossae > Flashcards

Temporal, Infratemporal and Pterygopalantine Fossae Flashcards

1
Q

What are the borders of the Temporal Fossa?

A
  • Medial and Floor:
    • Bones Forming pterion:
      • Frontal
      • Temporal
      • Greater Wing of Sphenoid
  • Lateral
    • Zygomatic Arch
  • Posterior and Superior
    • Temporal Lines
  • Anterior
    • Zygomatic Bone
    • Frontal Bone
  • Inferior
    • Infratemporal Crest
  • Roof
    • Temporal fascia
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2
Q

What are the contents of the Temporal Fossa?

A

Upper part of Temporalis Muscle

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3
Q

Where does the Infratemporal Fossa lie in relation to the Temporal Fossa?

A

Inferior

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4
Q

What are the borders of the Infratemporal Fossa?

A
  • Lateral
    • Ramus of mandible
  • Medial
    • Lateral Pterygoid Plate
  • Anterior
    • Posterior aspect of Maxilla
  • Superior
    • Inferior surface of greater wind of sphenoid
  • Inferior
    • Attachment of Medial Pterygoid on the Interal surface angle of Mandible
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5
Q

Where is the Temperomandibular Joint located?

A

Collectively included in temporal and infratemporal fossae

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6
Q

What are the contents of the Infratemporal Fossa

A
  • Maxillary Artery
  • Lower part of Temporalis Muscle
  • Ptyerygoid Venous Plexus
  • Chorda Tympani Nerve (From Facial-CN VII)
  • Otic Ganglion
  • Lateral and Medial Pterygoid Muscles
  • Mandibular Nerve:
    • Buccal Nerve
    • Lingual Nerve
    • Inferior Alveolar Nerve

Making Love Passionately Can Obviously Lower Misery . BIL.

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7
Q

What are the Branches of the Maxillary Artery

A

First Branch

  • D
    • Deep Auricular
  • A
    • Anterior Tympanic
  • M
    • Middle Meningeal
  • I
    • Inferior Alveolar
  • A
    • Acceessory Meningeal

Second Part

  • M
    • Massenteric
  • Piss
    • Pterygoid
  • Drunk
    • Deep Temporal (Anterior and Posterior)
  • But
    • Buccinator

Third Part

  • Stupid
    • Sphenopalatine
  • Drunk
    • Descending Palatine
  • I
    • Infraorbital
  • Prefer,
    • Posterior Superior Alveolar
  • Please
    • Pharyngeal
  • Assist
    • Artery of Pterygoid Canal
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8
Q

What is the Mandibular Division of the Trigeminal Nerve divided into?

A

Anterior and Posterior Trunks

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9
Q

What comes off the Anterior Trunk of the Mandibular Nerve?

A
  • Buccal Nerve
  • Muscular Branches
    • Deep Temporal Nerves
    • Massenteric Nerve
    • Lateral Pterygoid Nerve
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10
Q

What does the Buccal Nerve Supply?

A

Skin of Cheek

Buccal mucous membranes

Buccal Gingival of Mandibular Posterior Teeth

Does not supply Buccinator Muscle. It is supplied by the Buccal Branches of the Facial Nerve.

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11
Q

What branches are there of the Deep Temporal Nerve?

A

Anterior and Posterior Branch

Comes from the Muscular Branch of the Anterior Trunk of the Mandibular Branch of the Trigeminal Nerve.

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12
Q

What do the Deep Temporal Nerves supply?

A

Temporal Muscle

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13
Q

What does the Masseteric Nerve supply?

A

Masseter Muscle

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14
Q

What does the Lateral Pterygoid Nerve supply?

A

Lateral Pterygoid Muscle

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15
Q

What is the course of the Buccal Nerve

A

Runs between 2 heads of the Lateral Pterygoid Muscle

Located on the surface of the Buccinator Muscle

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16
Q

What is the course of the Lateral Pterygoid Nerve?

A

Runs between 2 heads of Lateral Pterygoid Muscle

On the deep surface of the Lateral Pterygoid Muscle

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17
Q

What comes off the Posterior Trunk of the Mandibular Division of the Trigeminal Nerve?

A
  • Auriculotemporal Nerve
  • Lingual Nerve
  • Inferior Alveolar Nerve
    • Mental Nerve
    • Incisive Nerve
    • Mylohyoid Nerve
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18
Q

Why is the Pterygopalatine Fossa called the Major Distribution Centre? What does it contain?

A

Called Major Distribution Centre because it contains:

  • Pterygopalatine part of the Maxillary Artery
  • Sensory Innervation
    • Maxillary Nerve
  • Sympathetic Innervation
    • Deep Petrosal Nerve
  • Parasympathetic Innervation
    • Greater Petrosal Nerve
19
Q

From where does the Deep Petrosal Nerve arise?

A

from the Internal Carotid Periarterial Plexus

20
Q

From where does the Greater Petrosal Nerve arise? What does it supply?

A

Arises from the Facial Nerve (CN VII)

Supplies:

  • Laccrimal Gland
  • Mucosal Glands of the:
    • Nose
    • Palate
    • Pharynx
21
Q

What is the position of the Pterygopalatine Fossa

A
  • Medial (deep) to Infratemporal Fossa
  • Inferior to Apex of Orbit
  • Lateral to the back of the Nose
22
Q

What is the major content of the Pterygopalatine Fossa?

A

Maxillary Nerve

Pterygopalatine Branch of Maxillary Artery

23
Q

What are the boundaries of the Pterygopalatine Fossa

A
  • Posterior
    • Pterygoid Process of Sphenoid Bone
  • Anterior
    • Superomedial surface of Posterior Maxilla
  • Medial
    • Perpendicular Plate of Palatine Bone
  • Lateral
    • Pterygomaxillary Fissure
  • Roof
    • Medial continuation of the infratemporal crest of the greater wing of Sphenoid
  • Floor
    • ​Pyramidal Process of Palatine Bone
24
Q

What are the “holes” and “canals” that exit the Pterygopalatine Fossa?

A
25
Q

What passes through the Inferior Orbital Fissure?

A

Orbital Nerve

Zygomatic Nerve

Continuation of Maxillary Nerve as Infraorbital Nerve

26
Q

What passes through the Sphenopalatine Foramen?

A

Nasal Lateral Nerves

Enters the Nasal Cavity

27
Q

What passes through the Pterygomaxillary Fissure?

A

Posterior Superior Alveolar Nerve

Enters Infratemporal Fossa

28
Q

What passes through the Palatine Canal?

A

Greater Palatine Nerve

Lesser Palatine Nerve

Enters Roof of Oral Cavity

29
Q

What passes through te Palatovaginal Canal?

A

Pharyngeal Nerve

Enters the Nasopharynx

30
Q

What passes through the Pterygoid Canal?

A

Artery of the Pterygoid Canal

Nerve of the Pterygoid Canal

Enters the Middle Cranial Fossa

31
Q

What passes through the Foramen Rotundum?

A

Maxillary Nerve

Enters the Middle Cranial Fossa

32
Q

What are the branches of the Maxillary Division of the Trigeminal Nerve?

A
  • Zygomatic Nerve
    • Zygomaticofacial Nerve
    • Zygomaticotemporal Nerve
  • Infraorbital Nerve and Orbital Branch
    • Anterior Superior Alveolar Nerve
    • Middle Superior Alveolar Nerve
  • Posterior Superior Alveolar Nerve
  • Greater (anterior) Palatine Nerve
  • Lesser (posterior) Palatine Nerve
  • Nasopalatine Nerve
  • Lateral Nasal Branches

Zebracrossings in a manmade precinct generate less necrosis later

33
Q

What does the Zygomatic Nerve divide into?

A

Zygomaticotemporal Nerne

Zygomaticofacial Nerve

34
Q

What supplies the Lower eyelid?

A

Infraorbital Nerve and Orbital Branch

35
Q

What does the Anterior Superior Alveolar Nerve supply?

A

Maxillary Incisors

Canines

36
Q

What does the Middle Superior Alveolar Nerve supply?

A

Maxilary Premolars

Maxillary Molars

37
Q

What does the Posterior Superior Alveolar Nerve supply?

A

Maxillary Molars

Maxillary Sinus

38
Q

What does the Greater (anterior) Palatine Nerve supply?

A

Hard Palate

39
Q

What does the Lesser (posterior) Palatine Nerve supply?

A

Soft Palate

Palatine Tonsils

40
Q

What does the Nasopalatine Nerve supply?

A

Anterior Part of Hard Palate

Nasal Septum

41
Q

What do the Lateral Nasal Branches supply?

A
  • Mostly:
    • Lateral wall of Nasal Cavity
  • Some of:
    • Medial wall of Nasal Cavity
    • Roof of Nasal Cavity
42
Q

What are the divisions of the Maxillary Artery

A

First Part: Mandibular Part

Second Part: Pterygoid Part

Third Part: Pterygopalatine Part

43
Q

What are the Nasal Apertures?

A

Anterior Nasal Aperture: Piriform

Posterior Nasal Aperture: Choana

Head and Neck (11 decks)

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