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Gross II > Unit I Mandible and associated structures > Flashcards

Unit I Mandible and associated structures Flashcards

1
Q

What forms the temporomandibular joint?

A

the condylar process of the mandible and temporal bone

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2
Q

Where is the area of attachment on the mandible for muscle of mastication?

A

the coronoid process

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3
Q

TMJ syndrome, a major cause of migraines, is due to the misalignment of

A

the condylar process

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4
Q

The superior mental spine is an origin for what muscle?

A

the genioglossus

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5
Q

The inferior mental spine is an origin for what muscle?

A

geniohyoid

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6
Q

The digastric fossa is an origin for what muscle?

A

the anterior belly of the digastric

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7
Q

The mylohyoid line is an origin for what muscle?

A

mylohyoid

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8
Q

What is the location of the sublingual gland?

A

the sublingual fossa

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9
Q

The submandibular gland is located where?

A

submandibular fossa

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10
Q

Origin of the posterior belly of the digastric

A

mastoid process

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11
Q

Origin of the anterior belly of the digastric

A

digastric fossa

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12
Q

Insertion of digastric

A

both bellies insert onto an intermediate tendon on the hyoid

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13
Q

Innervation of anterior belly of digastric

A

nerve to mylohyoid

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14
Q

innervation of posterior belly of digastric

A

cervical branch of facial

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15
Q

Function of digastric

A

elevates hyoid

depresses mandible when hyoid is fixed

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16
Q

Origin of mylohyoid

A

mylohyoid line

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17
Q

Insertion of mylohyoid

A

body of hyoid and median raphe

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18
Q

Innervation of mylohyoid

A

nerve to mylohyoid

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19
Q

Function of mylohyoid

A

elevates hyoid and floor of mouth

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20
Q

Origin of geniohyoid

A

inferior mental spine

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21
Q

Insertion of geniohyoid

A

body of hyoid

22
Q

Innervation of geniohyoid

A

C1 fibers through hypoglossal

23
Q

Function of geniohyoid

A

elevates hyoid and tongue

24
Q

Origin of genioglossus

A

superior mental spine

25
Q

Insertion of genioglossus

A

tip and entire undersurface of tongue

26
Q

Innervation of genioglossus

A

hypoglossal nerve

27
Q

Function of genioglossus

A

draws tongue forward

protrudes tip of tongue

28
Q

Origin of hyoglossus

A

body and greater horn of hyoid

29
Q

Insertion of hyglossus

A

sides of tongue

30
Q

Innervation of hyoglossus

A

hypoglossal nerve

31
Q

Function of hyoglossus

A

draws tongue downward

32
Q

A small portion of the hyoglossus originating from the lesser horn of the hyoid is called

A

the chondroglossus

33
Q

Origin of stylogossus

A

styloid proccess

34
Q

Insertion of styloglossus

A

sides of the tongue

35
Q

Innervation of styloglossus

A

hypoglossal nerve

36
Q

Function of styloglossus

A

draw tongue upward and back

37
Q

Origin of stylohyoid

A

styloid process

38
Q

Insertion of stylohyoid

A

body of hyoid

39
Q

Innervation of stylohyoid

A

facial nerve

40
Q

Function of stylohyoid

A

elevates hyoid and tongue

41
Q

The superficial part of the submandibular gland lies

A

in the submandibular triangle and fossa

42
Q

The deep part of the submandibular gland lies

A

superior to the mylohyoid

43
Q

Innervation of the submandibular gland

A

parasympathetic fibers from facial nerve via the submandibular ganglion

44
Q

Where does the submandibular gland empty?

A

into the oral cavity on the sublingual caruncle

45
Q

What is the smallest of the major salivary glands?

A

What is the smallest of the major salivary glands?

46
Q

Where does the sublingual gland lie at?

A

superior to the mylohyoid, in the sublingual fossa

47
Q

Where does the sublingual gland empty?

A

on the floor of the mouth along the sublingual fold

48
Q

Innervation of the sublingual gland

A

parasympathetic fibers from the facial nerve via submandibular ganglion

49
Q

List the nerves associated with the mandible

A

lingual, gossopharyngeal, and hypoglossal

50
Q

List the blood vessels associated with the mandible

A

lingual artery and vein, and facial artery and vein

51
Q

List the lymph nodes associated with the mandible

A

submandibular and submental

Gross II (9 decks)

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