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Oral, Head, Neck Anatomy > Midterm > Flashcards

Midterm Flashcards

0
Q

Specialized mucosa

A

Covers the area that has specific function of taste on the dorsum of the tongue

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1
Q

Masticatory mucosa

A

Covers areas subject to stress such as gingival tissue and the hard palate

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2
Q

Lining mucosa

A

Covers all other areas of the oral cavity, inner surface of lips and cheeks and floor and roof of the mouth

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3
Q

Incisive papilla

A

Covers the incisive foramen

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4
Q

Palatine rugae

A

Paired raised folds on the hard palate

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5
Q

Palatine raphe

A

Junction of soft tissue extending vertically along entire midline

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6
Q

Lobes

A

Center of development that forms a tooth. 3 lobes form a labial surface of the crown and fourth shapes a cingulum

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7
Q

Mamelons

A

Scalloped border along incisal edge- remnants of lobe formation

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8
Q

Cingulum

A

Convex (rounded) elevation on cervical third of lingual surface

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9
Q

Nasion

A

Depressed portion between the eyes

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10
Q

Columella nasi

A

External tissue that separates nostrils

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11
Q

Palatoglossal

A

Anterior tonsillar pillar

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12
Q

Palatopharyngeal

A

Posterior tonsillar pilar

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13
Q

Coronal suture

A

Frontal and parietal bones

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14
Q

Sagittal suture

A

Parietal bones

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15
Q

Lambdoidal suture

A

Occipital and parietal bones

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16
Q

Squamosal suture

A

Temporal and parietal bones

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17
Q

Temporozygomatic suture

A

Temporal and zygoma bones

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18
Q

Median palatine suture

A

Palatine process of the maxilla

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19
Q

Transverse palatine suture

A

Palatine process of maxilla and horizontal palatine bones

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20
Q

Frontal sinus drains

A

Into the middle nasal meatus

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21
Q

Sphenoid sinus drains

A

Drains via the ostia in the superior nasal meatus

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22
Q

Ethmoid sinuses drains

A

Anterior and middle- middle nasal meatus

Posterior- via the Ostia in the superior nasal meatus

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23
Q

Maxillary sinus drains

A

Via the Ostia in the middle nasal

Meatus

24
Q

Parotid secretions

A

Pure serous 25-30%

25
Q

Submandibular secretions

A

Mixed secretions
Serous 80%
Mucous 20%
60-65% salivary volume

26
Q

Sublingual secretions

A

Mixed-mostly mucous

5-10% salivary volume

27
Q

Which lymph nodes drain the tonsils?

A

Jugulodigastric

28
Q

Origin

A

End of a muscle attached to the least movable structure

29
Q

Insertion

A

The end of a muscle attached to a more movable structure

30
Q

Fascia

A

Layers of connective tissue that surrounds the muscles

31
Q

Epicranious Occipitofrontalis

A

Surprise expression- raising the eyebrows

32
Q

Orbicularis oculi

A

Palpebral-gently closes lid
Orbital-forcefully close the lid
(Surrounds eye)

33
Q

Corrugator supercilli

A

Controls the eyebrows

34
Q

Orbicularis oris

A

Closes and purses the lips (surrounds the lips)

35
Q

Buccinator

A

Compresses cheek, pushes food during chewing (located deep to masater runs lateral)

36
Q

Risorius

A

Retracts angle of mouth in a wide smile (extends laterally from lip commissures)

37
Q

Levator labii superioris

A

Elevates upper lip (extends vertically from Orbicularis oculi)

38
Q

Levator labii superioris alaque nasi

A

Elevates upper lip and flares nose

Runs along side of nose

39
Q

Zygomaticus major

A

Elevates angle of upper lip: smile

Goes from tragus to lip commissure

40
Q

Zygomaticus minor

A

Raises upper lip

Ala to tragus

41
Q

Levator anguli oris

A

Elevates angle of mouth: smile

Between Zygomaticus major and minor

42
Q

Depressor anguli oris

A

Depresses angle of mouth: frowning

Commissure to Mentalis muscle

43
Q

Depressor labii inferioris

A

Exposes lower incisors (opposite direction of anguli oris muscle)

44
Q

Mentalis

A

Raises skin of chin, pouts lower lip

45
Q

Platysma

A

Raises skin of neck, grimaces

Runs along neck

46
Q

Temporalis action

A

Elevates mandible, closes and clenches teeth, retracts mandible

47
Q

Temporalis origin

A

Temporal fossa, frontal and parietal bone

48
Q

Temporalis insertion

A

Coronoid process and anterior border of ramus

49
Q

Masseter action

A

Elevates mandible, closes and clenches

50
Q

Masseter origin

A

Superficial head: anterior 2/3rds inferior border of zygomatic arch
Deep head: posterior 1/3 of inferior border and medial surface of zygomatic arch

51
Q

Masseter insertion

A

Lateral surface of angle of the mandible; lateral surface of the ramus and Coronoid p above angle of mandible

52
Q

Medial pterygoid action

A

Elevates mandible, closes mouth

53
Q

Medial pterygoid origin

A

Superficial head- maxillary tuberosity

Deep head-medial surface lateral pterygoid plate and edge of palatine bone

54
Q

Medial pterygoid insertion

A

Medial surface of ramus and angle of the mandible

55
Q

Lateral pterygoid action

A

Contraction of both muscles: protrusion and slight depression
Contraction of one muscle: lateral shift of the mandible

56
Q

Lateral pterygoid origin

A

Superior head- infra temporal surface of greater wing of sphenoid
Inferior head- lateral surface of lateral pterygoid plate

57
Q

Lateral pterygoid insertion

A

Articular disc of TMJ; pterygoid fovea

Oral, Head, Neck Anatomy (5 decks)

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