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Forensic Anatomy > Muscles of Deep Neck > Flashcards

Muscles of Deep Neck Flashcards

1
Q

Name muscle A.

A

Tensor veli palatini

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2
Q

Describe the origin of the tensor veli palatini.

A

Scaphoid fossa and spine sphenoid bone and wall of auditory tube.

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3
Q

Describe the insertion of the tensor veli palatini.

A

Palatine aponeurosis

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4
Q

What is the action of the tensor veli palatini?

A

Opens auditory tube;
Tenses soft palate

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5
Q

Describe the innervation of the tensor veli palatini.

A

Nerve to tensor veli palatini

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6
Q

Describe the blood supply to the tensor veli palatini

A

Ascending and greater palatine arteries

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7
Q

Name muscle B.

A

Palatoglossus muscle

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8
Q

Describe the origin of the Palatoglossus muscle.

A

Palatine aponeurosis

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9
Q

Describe the insertion of the Palatoglossus muscle

A

Lateral aspect of tongue

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10
Q

Describe the action of the Palatoglossus muscle

A

Elevates tongue
Brings palatoglossal arches together

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11
Q

Describe the innervation of the Palatoglossus muscle

A

Pharyngeal plexus (CN X)

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12
Q

Describe the blood supply to the Palatoglossus muscle

A

Ascending palatine and ascending pharyngeal arteries

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13
Q

Name muscle C.

A

Genioglossus muscle

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14
Q

Describe the origin of the genioglossus muscle.

A

Superior mental spine of mandible

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15
Q

Describe the insertion of the genioglossus muscle.

A

Body of hyoid bone and intrinsic muscles of tongue.

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16
Q

Describe the action of the genioglossus muscle..

A

Protrudes and depresses tongue

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17
Q

Describe the innervation of the genioglossus muscle.

A

Hypoglossal nerve (CN XII)

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18
Q

Describe the arterial supply to the genioglossus muscle.

A

Sublingual and submental arteries

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19
Q

Name muscle D.

A

Mylohyoid muscle

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20
Q

Describe the origin of the mylohyoid muscle.

A

Mylohyoid line of mandible.

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21
Q

Describe the action of the mylohyoid muscle.

A

Elevates floor of mouth

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22
Q

Describe the insertion of the mylohyoid muscle.

A

Mylohyoid raphe and body of hyoid bone.

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23
Q

Describe the innervation of the mylohyoid muscle.

A

Nerve to mylohyoid muscle (CN V3)

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24
Q

Describe the arterial supply to the mylohyoid muscle.

A

Sublingual and submental arteries
Suprahyoid branch of lingual artery
Mylohyoid and mental branches of inferior alveolar artery

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25
Q

Name muscle E.

A

Styloglossus muscle

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26
Q

Describe the origin of the styloglossus muscle.

A

Stylohyoid process of temporal bone.

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27
Q

Describe the insertion of the styloglossus muscle.

A

Blends with intrinsic muscles of tongue.

28
Q

Describe the action of the styloglossus muscle.

A

Elevates and retrudes tongue

29
Q

Describe the innervation of the styloglossus muscle.

A

Hypoglossal nerve (CN XII)

30
Q

Describe the blood supply to the styloglossus muscle.

A

Sublingual artery

31
Q

Name muscle F.

A

Palatopharyngeus muscle

32
Q

Describe the origin of the palatopharyngeus muscle.

A

Horizontal plate of palatine bone;
Palatine aponeurosis

33
Q

Describe the insertion of the palatopharyngeus muscle.

A

Lateral wall of pharynx;
Posterior border of thyroid cartilage

34
Q

Describe the action of the palatopharyngeus muscle.

A

Pulls pharynx in supperior, anterior and medal directions
Tenses soft palate.

35
Q

Describe the innervation of the palatopharyngeus muscle.

A

Pharyngeal plexus (CN X)

36
Q

Describe the blood supply to the palatopharyngeus muscle.

A

Ascending palatine
Greater palatine
Ascending pharyngeal arteries

37
Q

Name muscle G.

A

Hyoglossus muscle

38
Q

Describe the origin of the hyoglossus muscle.

A

Greater horn of hyoid bone

39
Q

Describe the insertion of the hyoglossus muscle.

A

Blends with intrinsic muscles of the tongue

40
Q

Describe the action of the hyoglossus muscle.

A

Depresses tongue.

41
Q

Describe the innervation of the hyoglossus muscle.

A

Hypoglossal nerve (CN XII)

42
Q

Describe the blood supply of the hyoglossus muscle.

A

Sublingual and submental arteries

43
Q

Name muscle H.

A

Stylopharyngeus muscle

44
Q

Describe the origin of the stylopharyngeus muscle.

A

Styloid process of temporal bone

45
Q

Describe the insertion of the stylopharyngeus muscle.

A

Pharyngeal mucosa

46
Q

Describe the action of the stylopharyngeus muscle.

A

Elevates pharynx and larynx

47
Q

Describe the innervation of the stylopharyngeus muscle.

A

Stylopharyngeal branch of glossopharyngeal nerve (CN IX)

48
Q

Describe the blood supply of the stylopharyngeus muscle.

A

Ascending pharyngeal artery

49
Q

Name muscle I.

A

Levator veli palatini

50
Q

Describe the origin of the levator veli palatini.

A

Inferior surface of petrous part of temporal bone
Cartilaginous portion of auditory tube

51
Q

Describe the insertion of the levator veli palatini.

A

Palatine aponeurosis

52
Q

Describe the action of the levator veli palatini.

A

Elevates and retracts soft palate

53
Q

Describe the innervation of the levator veli palatini.

A

Pharyngeal plexus (CN X)

54
Q

Describe the blood supply of the levator veli palatini.

A

Ascending palatine and greater palatine arteries

55
Q

Name muscle A.

A

Mylohyoid muscle

56
Q

Name muscle B.

A

Palatopharyngeus muscle

57
Q

Name muscle C.

A

Geniohyoid muscle.

58
Q

Describe the origin of the geniohyoid muscle.

A

Inferior mental spine of mandible

59
Q

Describe the insertion of the geniohyoid muscle.

A

Body of hyoid bone

60
Q

Describe the action of the geniohyoid muscle.

A

Depresses mandible
Elevates hyoid bone

61
Q

Describe the innervation of the geniohyoid muscle.

A

First cervical nerve via hypoglossal nerve

62
Q

Describe the blood supply of the geniohyoid muscle.

A

Suprahyoid branch of lingual artery

63
Q

Name muscle D.

A

Stylopharyngeus muscle

64
Q

Name muscle E.

A

Styloglossus muscle

65
Q

Name muscle F.

A

Genioglossus muscle

66
Q

Name muscle G.

A

Palatoglossus muscle

Forensic Anatomy (46 decks)

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