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Anatomy > Dissection 11 > Flashcards

Dissection 11 Flashcards

1
Q

The Temporalis muscle does what?

A

Vertical fibers elevate the mandible
Horizontal fibers retract he jaw
It also allows for side to side motion

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2
Q

The masseter muscle causes what movement?

A

Elevates the mandible, and causes protraction

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3
Q

The Lateral Pterygoid causes what movement?

A

Only one that depresses the mandible. Also cause protraction and side to side movement

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4
Q

The Medial Pterygoid causes what movement?

A

Elevation, Protraction, and side to side movement

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5
Q

What pharyngeal arch do the muscles of mastication derive from?

A

1

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6
Q

Where does the Mandibular Division of CN V (V3) exit?

A

Foramen ovale

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7
Q

What is the only division of the trigeminal nerve that has branchiomotor fibers?

A

V3

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8
Q

Where does the meningeal nerve enter the skull?

A

The foramen spinosum

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9
Q

The auriculotemporal nerve provides sensory to what?

A

The TMH, parotid gland, and the skin of the anterior ear and temporal region

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10
Q

The Buccal nerve provides sensory to what?

A

The cheek and the mucous membrane on the inside wall of the cheek

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11
Q

The lingual nerve provides sensory to what?

A

The anterior 2/3 of the tongue

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12
Q

The inferior alveolar provides sensory to what?

A

The mandibular teeth

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13
Q

What is the only horizontal nerve in the infratemporal fossa?

A

Auriculotemporal

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14
Q

What nerves do the parasympathetic fibers arise from?

A

CN III, VII, and IX

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15
Q

Describe the path of the preganglionic parasympathetic to the parotid gland.

A

Through the middle ear to form the lesser petrosal nerve and exits the skull through the foramen ovale and synapses in the otic gland

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16
Q

Describe the path of the postganglionic parasympathetics to the parotid gland.

A

They join the auriculotemporal brach of V3

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17
Q

The chorda tympani is a branch of what nerve?

A

Facial nerve

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18
Q

Where does the chordi tympani exit in the skull?

A

The Petrotympanic fissure

19
Q

What does the maxillary artery supply?

A

structures in the infratemporal fossa, the pterygopalatine fossa, and the nasal cavity

20
Q

Where does the maxillary artery enter the skull?

A

The pterygomaxillary fissure

21
Q

What are the attachment points of the temporalis?

A

temporal fossa and coronoid process

22
Q

What are the attachments of the massester?

A

The zygomatic arch to the ramus of the angle of the mandible

23
Q

What are the attachment of the medial pterygoid muscle?

A

The medial side of the lateral pterygoid plate to the angle of the mandible

24
Q

What are the attachments of the lateral pterygoid muscle?

A

The lateral surface of the lateral pterygoid plate to the articular disk of the TMJ and the neck of the mandible

25
Q

Where does the meningeal nerve enter and exit the skull?

A

Foramen ovale; foramen spinosum

26
Q

What does the nerve of the mylohyoid innervate?

A

Mylohyoid and the anterior belly of the digastric

27
Q

Where does the lessor petrosal nerve exit the middle ear?

A

Foramen ovale

28
Q

What does the preganglionic fibers of the lesser petrosal nerve synapse in?

A

otic ganglion

29
Q

What does the chorda tympani carry?

A

Special viscerosensory fibers (anterior 2/3) and the preganglionic parasympathetic to the sub glands

30
Q

The special viscerosensory fibers of the chorda tympani synapse in ____.

A

The geniculate ganglion

31
Q

The preganglionic parasympathetics of the chorda tympani syanpse in _______.

A

The submandibular ganglion

32
Q

Where does the maxillary artery enter the skull?

A

the pterygomaxillary fissure

33
Q

Describe the tympanic nerve

A

It is a parasympathetic nerve of CN IX that forms the tympanic plexus of the middle ear

34
Q

Within the carotid sheath, which vessel is most posterior

A

Vagus N

35
Q

What does the external branch superior laryngeal nerve carry?

A

branchiomotor to the cricothyroid muscle

36
Q

What does the internal branch of the internal laryngeal nerve carry

A

General Somatosensory from epiglottis to vocal cords

37
Q

What does the right recurrent laryngeal loop around?

A

The R subclavian artery

38
Q

What does the left recurrent laryngeal loop around?

A

The L subclavian artery

39
Q

What does the R laryngeal nerve carry?

A

Branchiomotor to all intrinsic muscles of larynx (except cricothyroid)
General somatosensory from larynx inferior to vocal folds

40
Q

The cervical superior chain is ______ to the carotid sheath

A

Posterior

41
Q

The internal carotid plexus contains ___?

A

vessels of the brain and to the dilator pupillae and superior tarsal muscles

42
Q

The external carotid plexus contains ______

A

vessels and sweat glands of the face

43
Q

Where do the superior and inferior thyroid arteries come off of?

A

Superior–> external carotid

Inferior–> Thyrocervical trunk

Anatomy (11 decks)

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