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DS2102 Anatomy > W1: Face/Scalp & facial expression muscles > Flashcards

W1: Face/Scalp & facial expression muscles Flashcards

1
Q

What bones are derived from meckels cartilage?

A

mandible, incus, malleus

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2
Q

What bones are derived from the reicherts cartilage?

A

styloid process, stylohoid, lesser Cornu, stapes

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3
Q

What bone is derived from the third arch and 4/6 arch

A

Greater cornu (3rd)
Thyroid and cricoid cartilage (4th/6th)

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4
Q

What muscles are derived from the 1st, 2nd, 3rd, 4th, 5th, 6th pharyngeal arch

A

1st- muscles of mastication
2nd- facial expression muscles
3rd- stylopharngeus muscles
4th/6th- pharyngeal muscles

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5
Q

What are three structures supplied by the ophthalmic division

A

Cornea, lacrimal gland, paranasal sinuses, skin of the forehead to the apex of the nose

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6
Q

What are three structures that get sensory innervation by the maxillary division

A

Mx teeth, upper lip, palate, gingiva, maxillary air cells, nasal cavity, middle region of face

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7
Q

What are three structures that get sensory innervation by the mandibular division of the trigeminal nerve

A

Mandibular teeth, chin, lower lip, buccinator, skin of cheek and mucosa and TMJ.

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8
Q

List the nerves that supply the posterior region of the head and neck?

A

anterior rami: - greater occipital, third occipital
Posterior rami- greater auricular and the lesser occipital

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9
Q

List the layers of the scalp?

A
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10
Q

Which layers of the scalp form the true scalp(scalp proper)

A

Skin, dense connective tissues, aponeurosis

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11
Q

which layer of the scalp may we see neurovascular structures?

A

dense connective tissues

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12
Q

Where does pooling of blood of blood occur when our head faces any sort of trauam?

A

loose connective tissue

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13
Q

What ganglion is primarily targeted by herpes zoster

A

trigeminal ganglion

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14
Q

what nerve supplies sensory innervation to the TMJ?

A

auriculotemporal nerve

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15
Q

List the branches of arteries that arise from the internal common carotid artery?

A

Supratrochlear and supraorbital artery

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16
Q

What structures pierce the parotid gland

A

External common carotid artery, retromandibular and the 5 anterior branches of the facial nerve

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17
Q

List the branches of arteries that arise from the external common carotid artery

A
  1. Superior thyroid
  2. Ascending pharyngeal
  3. Occipital
  4. Posterior auricular
  5. Superficial temporal
  6. Lingual
    7 facial
  7. Maxillary
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18
Q

What nerve travels posterior to the external acoustic meatus

A

posterior auricular nerve

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19
Q

what nerve travels anterior to the external acoustic meatus

A

auriculotempral nerve

20
Q

True or False. All emissary veins are valveless.

A

false

21
Q

What two emissary veins conists of valves

A

Facial vein and superior ophthalmic vein

22
Q

What is the origin, insertion,action, and nerve innervation of the occiptiofrontalis?

A

frontal belly: temporal
Occipital belly: posterior auricular

23
Q

What is the action and nerve innervation of the orbicularis oculi?

A

Temporal and zygomatic

24
Q

What is the origin, insertion,action, and nerve innervation of the Corrugator suppercilli?

A

innervation: temporal

25
Q

What is the origin, insertion,action, and nerve innervation of the Procerus?

A

innervation: temporal and zygomatic

26
Q

What is the origin, insertion,action, and nerve innervation of the Transverse part of the nasalis?

A

Innervation: buccal

27
Q

What is the origin, insertion,action, and nerve innervation of the Alar part of the nasalis

A

innervation: buccal

28
Q

What is the origin, insertion,action, and nerve innervation of the Depressor septi nasi

A

Innervation: buccal

29
Q

What is the origin, insertion,action, and nerve innervation of the Orbicularis or is?

A

innervation: marginal mandibular and buccal

30
Q

what is the Modiolus?

A

chiasm of facial expresssion muscles?

31
Q

What is the origin, insertion,action, and nerve innervation of the buccinator

A

Innervation: buccal

32
Q

What muscle inserts into the petrygomandibular raphe

A

Superior pharyngeal constrictor muscle

33
Q

What is the origin, insertion,action, and nerve innervation of the depressor anguli oris?

A

Innervation: buccal and marginal mandibular

34
Q

What is the origin, insertion,action, and nerve innervation of the Depressor labii inferiosis

A

Innervation:marginal mandibular

35
Q

What is the most lateral/ superficial muscle of the lower oral muscles

A

depressor anguli oris

36
Q

What is the deepest and most medial muscle of the lower oral muscles

A

mentalis

37
Q

What is the origin, insertion,action, and nerve innervation of the Mentalis

A

innervation: marginal mandibular

38
Q

What is the origin, insertion,action, and nerve innervation of the risorius?

A

innervation: buccal

39
Q

What is the origin, insertion,action, and nerve innervation of the Zygomaticus major/minor?

A

innervation: zygomatic and buccal branch

40
Q

What is the origin, insertion,action, and nerve innervation of the Levator labii superiosis and Levator labii superiosis Alaque nasi?

A

innervation: buccal and zygomatic

41
Q

What is the origin, insertion,action, and nerve innervation of the Levator anguli oris

A

innervation: zygomatic and buccal

42
Q

What is the origin, insertion,action, and nerve innervation of the anterior aricular, superior auricular, posterior auricular

A

innervation: posterior auricularand temporal (most anterior one)

43
Q

What is the origin, insertion,action, and nerve innervation of the Platysma

A

innervation: cervical

44
Q

what two muscles are regulated when frowning?

A

procerus and depressor anguli oris

45
Q

What muscles are regulated when smiling?

A

Zygomaticus major, minor, Levator anguli oris, and risorius depending on extent of smile

46
Q

A 75 year old patient has visited the clinic and is shown to unable lift their upper lip. What nerve may be potentially impacted and the muscles involved?

A

Levator labii superiosis and Levator labii superiosis alaque nasi.
Nerve: buccal and/or zygomatic

DS2102 Anatomy (17 decks)

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