Muscles Of Articulation Flashcards

1
Q

Orbicularis occuli

A

Surrounds the eyes

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2
Q

Orbicularis oris

A

Muscles that help pucker the lips

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3
Q

Tongue

A

Divided medically by the median fibrous septum
Parts of tongue: Dorsum, tip/apex, base

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4
Q

Intrinsic tongue muscles

A

Superior longitudinal
Inferior longitudinal
Transverse
Vertical
Lie WITHIN the tongue

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5
Q

Extrinsic tongue muscles

A

Genioglossus - retracts the tongue
Hyoglossus - pulls the sides of the tongue down
Styloglossus - draws the tongue back and up
Chondroglossus - depresses the tongue
Palataglossus - elevates the tongue and depresses the soft palate

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6
Q

Muscles of the velum

A

Levator veli palatine
Musculoskeletal uvulae
Tensor veli palatini
Palatoglossus
Palatopharyngeus

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7
Q

Levator veli palatini

A

Elevates and retracts posterior velum

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8
Q

Musculus uvulae

A

Shortens the soft palate

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9
Q

Tensor veli palatini

A

Dilates the auditory tube

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10
Q

Palatopharyngeus

A

Narrows the pharynx and lowers the soft palate

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11
Q

Pharyngeal musculature

A

Superior, middle, inferior pharyngeal constrictor
Salpingopharyngeus
Stylopharyngeus

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12
Q

Superior pharyngeal constrictor

A

Pulls the pharyngeal wall forward and constricts the pharyngeal diameter

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13
Q

Middle pharyngeal constrictor

A

Narrows the diameter of the pharynx

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14
Q

Inferior pharyngeal constrictor and thyropharyngeus

A

Reduce diameter of the lower pharynx

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15
Q

Salpingopharyngeus

A

Elevates the lateral pharyngeal wall

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16
Q

Stylopharyngeus

A

Elevates and opens the pharynx

17
Q

Anatomy of a tooth

A

Root
Crown
Neck
Enamel
Dentin
Pulp
Cementum

18
Q

Dental development

A

Deciduous teeth, aka baby teeth
Successional teeth, aka permanent teeth - obtain around age 7-8
Molars around 10-12

19
Q

Dental Occlusion

A

Class I
Class II
Class III

20
Q

Class I occlusal

A

First molar of the mandibular arch is one-half tooth advanced of the maxillary molar
Overjet - upper incisors project beyond the lower incisors vertically by a few millimeters
Overbite - upper incisors naturally hide the lower incisors so that only a little of the lower teeth show

21
Q

Class II malocclusion

A

First mandibular molars are retracted at least one tooth from the first maxillary molars
Can be a result of relative micrognathia