Face, Temporal and Infratemporal Fossa Flashcards
1
Q
Face
- The face is the anterior aspect of the head and provides our identity as a human being
- Important role in our communication with others and our interaction with the …
- Face shape is formed by underlying …
A
- The face is the anterior aspect of the head and provides our identity as a human being
- Important role in our communication with others and our interaction with the environment (eyes, ears)
- Face shape is formed by underlying bones

2
Q
Muscles of the face
- Muscles of facial expression are responsible for closing the eye and mouth and for conveying mood
- Key muscles:
- … - elevates eyebrows
- … … - closes eyelids
- … … - closes mouth
- Zygomaticus major - elevates … commissure
- Buccinator - compresses cheek
- Platysma - depresses mandible against resistance, tenses fascia of neck
A
- Muscles of facial expression are responsible for closing the eye and mouth and for conveying mood
- Key muscles:
- Occipitofrontalis - elevates eyebrows
- Orbicularis oculi - closes eyelids
- Orbicularis oris - closes mouth
- Zygomaticus major - elevates labial commissure
- Buccinator - compresses cheek
- Platysma - depresses mandible against resistance, tenses fascia of neck

3
Q
Muscles of the face
- Muscles of facial expression are responsible for closing the eye and mouth and for conveying mood
- Key muscles:
- Occipitofrontalis - elevates eyebrows
- Orbicularis oculi - closes eyelids
- Orbicularis oris - closes mouth
- … … - elevates labial commissure
- … - compresses cheek
- … - depresses mandible against resistance, tenses fascia of neck
A
- Muscles of facial expression are responsible for closing the eye and mouth and for conveying mood
- Key muscles:
- Occipitofrontalis - elevates eyebrows
- Orbicularis oculi - closes eyelids
- Orbicularis oris - closes mouth
- Zygomaticus major - elevates labial commissure
- Buccinator - compresses cheek
- Platysma - depresses mandible against resistance, tenses fascia of neck

4
Q
Muscles of the face
- Muscles of facial expression are responsible for closing the eye and mouth and for conveying …
- Key muscles:
- Occipitofrontalis - elevates …
- Orbicularis oculi - closes …
- Orbicularis oris - closes …
- Zygomaticus major - elevates labial commissure
- Buccinator - compresses …
- Platysma - depresses … against resistance, tenses fascia of neck
A
- Muscles of facial expression are responsible for closing the eye and mouth and for conveying mood
- Key muscles:
- Occipitofrontalis - elevates eyebrows
- Orbicularis oculi - closes eyelids
- Orbicularis oris - closes mouth
- Zygomaticus major - elevates labial commissure
- Buccinator - compresses cheek
- Platysma - depresses mandible against resistance, tenses fascia of neck

5
Q
Muscles of the face
- Muscles of facial expression are responsible for closing the eye and mouth and for conveying mood
- Key muscles:
- Occipitofrontalis - … eyebrows
- Orbicularis oculi - … eyelids
- Orbicularis oris - … mouth
- Zygomaticus major - … labial commissure
- Buccinator - … cheek
- Platysma - depresses mandible against …, tenses fascia of neck
A
- Muscles of facial expression are responsible for closing the eye and mouth and for conveying mood
- Key muscles:
- Occipitofrontalis - elevates eyebrows
- Orbicularis oculi - closes eyelids
- Orbicularis oris - closes mouth
- Zygomaticus major - elevates labial commissure
- Buccinator - compresses cheek
- Platysma - depresses mandible against resistance, tenses fascia of neck

6
Q
Innervation - Face
- … innervation by the Trigeminal Nerve (CN5)
- All … of facial … supplied by the Facial nerve (CN7)
A
- Cutaneous innervation by the Trigeminal Nerve (CN5)
- All muscles of facial expression supplied by the Facial nerve (CN7)
7
Q
Innervation - Face
- Cutaneous innervation by the … nerve
- All muscles of facial expression supplied by the .. nerve
A
- Cutaneous innervation by the Trigeminal Nerve (CN5)
- All muscles of facial expression supplied by the Facial nerve (CN7)
8
Q
Cranial Nerve 7
- Type: Sensory, Taste, General motor and visceral motor
- Exit: Internal acoustic meatus, facial canal, stylomastoid foramen
- Branches:
- Motor - Posterior …, temporal, …, buccal, marginal …, … (Two Zebras Bit My Coccyx / To zanzibar by motor car)
- Parasympathetic - branches: to .. ganglion
- Taste - via chorda … via lingual nerve from anterior two thirds of tongue
- General sensory: skin over external … meatus
A
- Type: Sensory, Taste, General motor and visceral motor
- Exit: Internal acoustic meatus, facial canal, stylomastoid foramen
- Branches:
- Motor - Posterior auricular, temporal, xygomatic, buccal, marginal mandibular, cervical (Two Zebras Bit My Coccyx / To zanzibar by motor car)
- Parasympathetic - branches: to pterygopalatine ganglion
- Taste - via chorda tympani via lingual nerve from anterior two thirds of tongue
- General sensory: skin over external auditory meatus

9
Q
Cranial Nerve 7
- Type: Sensory, Taste, General motor and visceral motor
- Exit: Internal acoustic meatus, facial canal, stylomastoid foramen
- Branches:
- Motor - Posterior auricular, …, …, …, … …, cervical (Two Zebras Bit My Coccyx / To zanzibar by motor car)
- Parasympathetic - branches: to pterygopalatine ganglion
- Taste - via chorda tympani via lingual nerve from … two … of tongue
- General sensory: skin over … auditory meatus
A
- Type: Sensory, Taste, General motor and visceral motor
- Exit: Internal acoustic meatus, facial canal, stylomastoid foramen
- Branches:
- Motor - Posterior auricular, temporal, xygomatic, buccal, marginal mandibular, cervical (Two Zebras Bit My Coccyx / To zanzibar by motor car)
- Parasympathetic - branches: to pterygopalatine ganglion
- Taste - via chorda tympani via lingual nerve from anterior two thirds of tongue
- General sensory: skin over external auditory meatus
10
Q
Parotid gland
- The … of three salivary glands in the head (parotid, submandibular, sublingual) that aid digestion
- The parotid gland is … to muscles
- Parotid duct leaves gland at anterior edge and passes through the corner of the mouth but turns deep through …
- The parotid duct opens into oral cavity at upper … molar tooth
- The … vein and external … artery run through it
- … nerve passes through the parotid gland
A
- The largest of three salivary glands in the head (parotid, submandibular, sublingual) that aid digestion
- The parotid gland is superficial to muscles
- Parotid duct leaves gland at anterior edge and passes through the corner of the mouth but turns deep through buccinator
- The parotid duct opens into oral cavity at upper second molar tooth
- The retromandibular vein and external carotid artery run through it
- Facial nerve passes through the parotid gland

11
Q
Parotid gland
- The largest of three salivary glands in the head (parotid, submandibular, sublingual) that aid …
- The parotid gland is superficial to …
- Parotid duct leaves gland at … edge and passes through the corner of the mouth but turns deep through buccinator
- The parotid duct opens into oral cavity at … … molar tooth
- The retromandibular vein and external carotid artery run through it
- … nerve passes through the parotid gland
A
- The largest of three salivary glands in the head (parotid, submandibular, sublingual) that aid digestion
- The parotid gland is superficial to muscles
- Parotid duct leaves gland at anterior edge and passes through the corner of the mouth but turns deep through buccinator
- The parotid duct opens into oral cavity at upper second molar tooth
- The retromandibular vein and external carotid artery run through it
- Facial nerve passes through the parotid gland

12
Q
Muscles of mastication
- Responsible for mastication - …
- Temporalis - elevation, retraction
- Masseter - elevation
- Medial … - protusion and depression
- Lateral … - protusion and depression
- Supplied by motor branch of … (mandibular nerve)
A
- Responsible for mastication - chewing
- Temporalis - elevation, retraction
- Masseter - elevation
- Medial pterygoid - protusion and depression
- Lateral pterygoid - protusion and depression
- Supplied by motor branch of V3 (mandibular nerve)

13
Q
Muscles of mastication
- Responsible for mastication - chewing
- … - elevation, retraction
- … - elevation
- Medial pterygoid - … and depression
- Lateral pterygoid - … and depression
- Supplied by motor branch of V3 (… nerve)
A
- Responsible for mastication - chewing
- Temporalis - elevation, retraction
- Masseter - elevation
- Medial pterygoid - protusion and depression
- Lateral pterygoid - protusion and depression
- Supplied by motor branch of V3 (mandibular nerve)

14
Q
- Temporalis - … the mandible, … the mouth. Also … the mandible
- Innervation: … nerve (V3).
A
- Temporalis - Elevates the mandible, closing the mouth. Also retracts the mandible, pulling the jaw posteriorly.
- Innervation: Mandibular nerve (V3).

15
Q
- Masseter - … the mandible, … the mouth.
- Innervation: … nerve (V3).
A
- Masseter - Elevates the mandible, closing the mouth.
- Innervation: Mandibular nerve (V3).

16
Q
- Medial pterygoid - Elevates the mandible - … to …
- Innervation: … nerve (V3).
A
- Medial pterygoid - Elevates the mandible - side to side
- Innervation: Mandibular nerve (V3).

17
Q
- Lateral Pterygoid - … and … of the mandible
- Innervation: … nerve (V3).
A
- Lateral Pterygoid - protusion and depression of the mandible
- Innervation: Mandibular nerve (V3).

18
Q
Cranial Nerve 5 Trigeminal
- Type: … (general sensory) and … … to derivatives of 1st … arch
- Three divisions: ophthalmic, maxillary, mandibular (V1, V2, V3)
- Exit: Superior … fissure V1, … Rotundum V2, … Ovale V3
A
- Type: Somatic (general sensory) and somatic motor to derivatives of 1st pharyngeal arch
- Three divisions: ophthalmic, maxillary, mandibular (V1, V2, V3)
- Exit: Superior orbital fissure V1, Foramen Rotundum V2, Foramen Ovale V3

19
Q
Cranial Nerve 5 Trigeminal
- Type: Somatic (general sensory) and somatic motor to derivatives of … pharyngeal arch
- Three divisions: …, …, … (V1, V2, V3)
- Exit: … orbital fissure V1, Foramen … V2, Foramen … V3
A
- Type: Somatic (general sensory) and somatic motor to derivatives of 1st pharyngeal arch
- Three divisions: ophthalmic, maxillary, mandibular (V1, V2, V3)
- Exit: Superior orbital fissure V1, Foramen Rotundum V2, Foramen Ovale V3

20
Q
Match the colour to the division of the trigeminal nerve

A

21
Q
V1 Ophthalmic
- Type: … fibres to skin, mucous membranes, conjunctiva, front of head and nose
- Path: Branches into: l…, n.., frontal
- Exit: … … Fissure
A
- Type: Sensory fibres to skin, mucous membranes, conjunctiva, front of head and nose
- Path: Branches into: lacrimal, nasocillary, frontal
- Exit: Superior Orbital Fissure

22
Q
V1 Ophthalmic
- Type: Sensory fibres to …, mucous membranes, c…, front of head and nose
- Path: Branches into: lacrimal, n…, f…
- Exit: Superior Orbital Fissure
A
- Type: Sensory fibres to skin, mucous membranes, conjunctiva, front of head and nose
- Path: Branches into: lacrimal, nasocillary, frontal
- Exit: Superior Orbital Fissure

23
Q
V2 Maxillary
- Type: sensory fibres …, nasal, … …, lip, …
- Path: Enters … fossa, gives off branches to … ganglion, through inferior orbital fissure
- Exit: Foramen …
- Branches: Infraorbital, z…, superior alveolar
A
- Type: sensory fibres dura, nasal, upper cheek, lip, teeth
- Path: Enters pterygopalatine fossa, gives off branches to pterygopalatine ganglion, through inferior orbital fissure
- Exit: Foramen rotundum
- Branches: Infraorbital, zygomatic, superior alveolar

24
Q
V2 Maxillary
- Type: sensory fibres dura, nasal, upper cheek, lip, teeth
- Path: Enters pterygopalatine fossa, gives off branches to pterygopalatine ganglion, through inferior … fissure
- Exit: Foramen rotundum
- Branches: I.., zygomatic, superior A…
A
- Type: sensory fibres dura, nasal, upper cheek, lip, teeth
- Path: Enters pterygopalatine fossa, gives off branches to pterygopalatine ganglion, through inferior orbital fissure
- Exit: Foramen rotundum
- Branches: Infraorbital, zygomatic, superior alveolar

25
Q
V3 Mandibular
- Type: …, sensory, lower face, lip, teeth. Motor to muscles of mastication.
- Exit: Foramen …
- Branches:
- Sensory - …, buccal, L…, inferior …, mental
- Motor- temporalis, masseter, medial and lateral pterygoids, nerve to mylohyoid
- Parasympathetic (hitch-hiking) to … glands
A
- Type: Mixed, sensory, lower face, lip, teeth. Motor to muscles of mastication.
- Exit: Foramen Ovale
- Branches:
- Sensory - auriculotempora, buccal, lingual, inferior alveolar, mental
- Motor- temporalis, masseter, medial and lateral pterygoids, nerve to mylohyoid
- Parasympathetic (hitch-hiking) to salivary glands

26
Q
V3 Mandibular
- Type: Mixed, sensory, lower face, lip, teeth. Motor to muscles of mastication.
- Exit: Foramen …
- Branches:
- Sensory - auriculotempora, b…, lingual, inferior alveolar, m…
- Motor- T.., M…, medial and lateral …, nerve to …
- … (hitch-hiking) to salivary glands
A
- Type: Mixed, sensory, lower face, lip, teeth. Motor to muscles of mastication.
- Exit: Foramen Ovale
- Branches:
- Sensory - auriculotempora, buccal, lingual, inferior alveolar, mental
- Motor- temporalis, masseter, medial and lateral pterygoids, nerve to mylohyoid
- Parasympathetic (hitch-hiking) to salivary glands

27
Q
Temporal and Infratemporal Fossa
- The temporal fossa is a … shaped space that is located on the … surface of the skull
- The temporal fossa contains: temporalis muscle, branches of …
- The infratemporal fossa is … to the temporal fossa
- The infratemporal fossa contains: medial and lateral …, … artery, N3, branches of … nerve, glossopharyngeal nerve and … plexus of veins.
A
- The temporal fossa is a fan shaped space that is located on the lateral surface of the skull
- The temporal fossa contains: temporalis muscle, branches of V2
- The infratemporal fossa is inferior to the temporal fossa
- The infratemporal fossa contains: medial and lateral pterygoids, maxillary artery, N3, branches of facial nerve, glossopharyngeal nerve and pterygoid plexus of veins.

28
Q
Temporal and Infratemporal Fossa
- The temporal fossa is a fan shaped space that is located on the lateral surface of the skull
- The temporal fossa contains: … muscle, branches of V2
- The infratemporal fossa is inferior to the temporal fossa
- The infratemporal fossa contains: … and … pterygoids, maxillary artery, N3, branches of facial nerve, … nerve and pterygoid plexus of veins.
A
- The temporal fossa is a fan shaped space that is located on the lateral surface of the skull
- The temporal fossa contains: temporalis muscle, branches of V2
- The infratemporal fossa is inferior to the temporal fossa
- The infratemporal fossa contains: medial and lateral pterygoids, maxillary artery, N3, branches of facial nerve, glossopharyngeal nerve and pterygoid plexus of veins.

29
Q
Arterial supply to the face
- Arterial supply is provided from the external … artery
- Key branches:
- L..
- Facial
- M…
- S… temporal
A
- Arterial supply is provided from the external carotid artery
- Key branches:
- Lingual
- Facial
- Maxillary
- Superficial temporal

30
Q
Arterial supply to the face
- Arterial supply is provided from the … carotid artery
- Key branches:
- Lingual
- F…
- M..
- Superficial T..
A
- Arterial supply is provided from the external carotid artery
- Key branches:
- Lingual
- Facial
- Maxillary
- Superficial temporal

31
Q
Venous drainage of the face
- The facial vein drains the majority of the face, starting near the …
- The facial vein passes inferiorly and drains into the … jugular vein
- The superficial temporal vein drains into the … jugular vein
A
- The facial vein drains the majority of the face, starting near the eye.
- The facial vein passes inferiorly and drains into the internal jugular vein
- The superficial temporal vein drains into the external jugular vein
32
Q
Venous drainage of the face
- The facial vein drains the majority of the face, starting near the eye.
- The facial vein passes … and drains into the internal … vein
- The … temporal vein drains into the external … vein
A
- The facial vein drains the majority of the face, starting near the eye.
- The facial vein passes inferiorly and drains into the internal jugular vein
- The superficial temporal vein drains into the external jugular vein
33
Q
Medial pterygoid is responsible for what action?

A
- Elevation of mandible
- (Lateral responsible for depression)