Pharynx, soft palate, neck Flashcards

(44 cards)

1
Q

Oropharynx-

A

Visible in back of mouth

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2
Q

Pharyngopharynx-

A

Below(inferior to) oropharynx

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3
Q

Pharynx functions

A

Respiratory-helps breathe
Digestive-mastication
Middle ear pressure

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4
Q

Muscles of soft palate forms roof of..

A

The oropharynx and laterally with the tongue

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5
Q

Soft palate muscle functions-

A

Speaking and swallowing

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6
Q

Soft palate innervation-

A

Pharyngeal plexus,

CN- 9,10,11

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7
Q

Palatoglossus muscle forms:

A

Palatoglossal arch

2 arches
*when someone says “ahh”

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8
Q

Palatopharyngeus muscle action-

A

Palate moves posterioinferior and posterior pharyngeal wall anterosuperior.
*closes off the nasopharynx to the oral pharynx

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9
Q

What closes the pharynx?

A

The palate

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10
Q

Levetor veli palatini muscle location

A

Superior to soft palate

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11
Q

Lavator veli palatini action-

A

Elevates the soft palate to contact posterior pharyngeal wall
*so we don’t have stuff go up nose

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12
Q

Levetor veli palatini innervation-

A

Pharyngeal plexus

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13
Q

Tensor veli palatini is active during:

A

All palatine movements

*busy muscle

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14
Q

Tensor veli palatini actions:

A

Opens Eustachian tube, tenses and depresses soft palate

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15
Q

Tensor veli palatini innervation

A

Tensor veli palatini nerve-branch of V3 mandibular division.

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16
Q

Uvula
O:
I:

A

O: posterior margin of soft palate
I: counterpart of opposite side

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17
Q

Uvula action

A

Shorten and broaden the uvula

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18
Q

Uvula innervation

A

Pharyngeal plexus

19
Q

Nasopharynx-

A

Superior to soft palate

20
Q

Constrictor muscles insertions, actions, and innervations:
Superior-
Middle-
Inferior-

A

Insertion-median pharyngeal raphe
Action- elevate pharynx, larynx
Innervation- pharyngeal plexus

21
Q

Stylopharyngeus
O:
I:

A

O: styloid process
I: lateral and posterior pharyngeal walls

22
Q

Stylopharyngeus action

A

Widens and elevates pharynx

23
Q

Stylopharyngeus innervation

24
Q

Hyoid muscles assist in…

A

Swallowing and mastication

25
The suprahyoid (above hyoid) group contains what 4 muscles
Digastric, Mylohyoid, Geniohyoid, Stylohyoid *all same action: elevate hyoid and depress mandible
26
``` Digastric muscle action- #1 of suprahyoids ```
Elevate hyoid/tarynx, depress mand *assist in swallowing
27
Digastric innervation Anterior belly- Posterior belly-
Ant- V3 | Post- 7
28
``` Mylohyoid forms: #2 of suprahyoids ```
The floor of the mouth
29
Mylohyoid O: I:
O: mylohyoid ridge I: body of hyoid
30
Mylohyoid action-
Elevate hyoid, depress mandible, elevate tongue, assist in swallowing
31
Mylohyoid innervation
Mylohyoid nerve, V3
32
Geniohyoid O: I: #3 of suprahyoids
O: genial tubercules I: body of hyoid
33
Geniohyoid action
Elevate hyoid, depress mandible, assist in swallowing
34
Geniohyoid innervation-
1st clavical nerve
35
Stylohyoid- #4 suprahyoid O: I:
O: styloid process I: body of hyoid
36
Stylohyoid action
Elevate hyoid, depress mandible, assist in swallowing
37
Stylohyoid innervation
Stylohyoid nerve, CN 7
38
Infrahyoid muscles contain what 4:
Sternothyroid, Sternohyoid, Omohyoid, Thyrohyoid *actions: bring down(depress)
39
Sternothyroid muscle, sternohyoid muscle, omohyoid muscle, thyrohyoid muscle: Action- Innervation- *all same
Action- Depress hyoid cartilage | Innervation- 2nd and 3rd cervical nerves
40
Sternohyoid Action- Innervation-
Action- depress hyoid | Innervation- 2nd and 3rd cervical nerve
41
Sternocleidomastoid Origin- Insertion-
O: medial clavicle and superior and lateral sternum I: mastoid process of temporal bone *largest and most superficial muscles
42
Sternocleidomastoid Action- Innervation-
A: moves head side to side | Innervation- 11
43
Trapezius O: I:
O: occipital and posterior midline of cervical/thoracic spine I: lateral 1/3 of clavicle/scapula
44
Trapezius action- Innervation:
A:Elevates scapula and clavicle *shrugs shoulders Innervation: 11