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Anatomy > Mouth and tongue > Flashcards

Mouth and tongue Flashcards

1
Q

What is the thin epidermis that covers the lips?

A

Transitional zone

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2
Q

The border between the lips and the orbicularis oris muscle

A

Vermilion border

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3
Q

Another name for the cleft of the lip

A

Philtrum

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4
Q

Extension of the inner alveolar mucosa at midline from base of each lip to adjacent gum

A

Frenulum

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5
Q

What is between the buccinator and the superficial skin?

A

Buccal fat pad

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6
Q

Space between the teeth and gums internally/lips and cheeks externally

A

Oral vestibule

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7
Q

Space internal to the teeth, and mandibular/maxillary alveoli

A

Oral cavity proper

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8
Q

Muscular floor of the mouth is formed by what?

A

Mylohyoid and geniohyoid

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9
Q

Muscle that runs from the mental spines to the hyoid

A

Geniohyoid

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10
Q

Mandibular attachment point for the mylohyoid

A

Mylohyoid line

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11
Q

Fold of mucosa extending from the midline of the floor of the mouth, across inferior surface of the tongue towards the tip of the tongue

A

Frenulum of the tongue

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12
Q

Gland just deep to the mucosa of the floor of the mouth, forming a ridge

A

Sublingual gland (forms sublingual ridge)

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13
Q

Location of superficial part of the submandibular gland

A

Deep to platysma in submandibular triangle (more inferior than deep part)

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14
Q

Location of deep part of the submandibular gland

A

Superior to the mylohyoid (closer to submandibular gland)

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15
Q

Exit point for the saliva of the submandibular gland

A

Sublingual caruncle

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16
Q

4 types of teeth

A

incisor, canine, premolar, molar

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17
Q

3 free surfaces of a tooth

A

Superficial, deep, occlusive

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18
Q

3 parts of a tooth

A

Crown, neck, root

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19
Q

What is a tooth primarily composed of?

A

Dentin

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20
Q

Covers the dentin of the crown

A

Enamel

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21
Q

Covers the dentin of the root

A

Cement

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22
Q

Where does enamel transition into cement?

A

Neck of the tooth

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23
Q

Interior of the tooth

A

pulp cavity

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24
Q

Contents of the pulp cavity

A

Connective tissue, blood vessels, nerves

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25
Q

Entrance/exit of the blood vessels/nerves in the pulp cavity

A

Apical foramen

26
Q

Fibrous connective tissue that connects the neck of the tooth to the alveolus of the bone

A

Gingivae

27
Q

Connects the cement and the periosteum of surrounding bone

A

Periodontal ligament

28
Q

How many teeth do 2-3 y/o typically have?

A

20

29
Q

How many teeth do adults typically have?

A

32

30
Q

Divisions of the tongue

A

Root, body, apex

31
Q

V-shaped groove at the boundary between the root and the body of the tongue

A

Terminal sulcus

32
Q

Small pit at the midline of the terminal sulcus

A

Foramen cecum. (remnant of embryonic thyroglossal duct)

33
Q

Midline of the dorsum of the tongue

A

Median sulcus

34
Q

Divides the tongue into left and right halves

A

Median septum

35
Q

Tongue receptors sensitive to touch

A

Filiform receptors

36
Q

Shallow fossae on the superior aspect of the epiglottis

A

Epiglottic valleculae

37
Q

General group of tongue mucsles that attach to bone

A

Extrinsic muscles

38
Q

Large, fan-shaped muscle used for protusion of the tongue

A

Genioglossus

39
Q

Arises from the body/greater wing of hyoid, depresses/retracts the tongue

A

Hyoglossus

40
Q

Arises from the styloid process, participates in retraction/elevation of the tongue

A

Styloglossus

41
Q

Arises from the palate, pulls the soft palate inferiorly

A

Palatoglossus

42
Q

Muscles of the tongue that do NOT connect to bone

A

Intrinsic muscles

43
Q

Muscles that control the tip of the tongue/help to retract the protruded tongue

A

Superior/inferior longitudinal muscles

44
Q

Tongue muscles that arise from the septum and extend to the lateral edge of the tongue

A

Transverse group of muscles

45
Q

Path of inferior alveolar artery

A

Branches off of maxillary artery, thru inferior alveolar canal, supplies lower teeth/gums/mandible

46
Q

Superior alveolar artery path

A

From maxillary artery in infratemporal fossa, supplises posterior maxilla/teeth/gums

47
Q

Supplies blood to anterior maxilla/teeth/gums

A

Infraorbital artery

48
Q

Venous drainage of mouth

A

Into the pterygoid plexus then internal jugular vein

49
Q

Path of lingual artery

A

Branches off of ECA, deep to hyoglossus, branches into dorsal/deep/sublingual/palatine tonsil

50
Q

2 arteries that supply the sublingual gland/floor of the mouth

A

Facial and lingual

51
Q

General sensation for upper alveoli/teeth

A

Maxillary nerve via superior alveolar nerves

52
Q

Sensation for palatal gingivae

A

Preater palatine/nasopalatine

53
Q

Sensation for mandible/cheek/lower alveoli/gibgivae/teeth/floor of mouth

A

Mandibular nerve

54
Q

Sensation for ramus/body of mandible and lower alveoli teeth/gums

A

Inferior alveolar nerve

55
Q

Sensation of the floor of the mouth/anterior tongue to the terminal sulcus

A

lingual nerve

56
Q

Only tongue muscle innervated by vagur nerve

A

Palatoglossus

57
Q

Innervates all intrinstic/extrinsic muscles of the tongue (except one)

A

Hypoglossal nerve

58
Q

Sensation posterior to terminal sulcus

A

Glossopharyngeal nerve

59
Q

Taste for anterior tongue

A

Chorda tympani via facial nerve

60
Q

Taste for posterior terminal sulcus tongue

A

Glossopharyngeal nerve

61
Q

Sensation near vallecula

A

vagus

Anatomy (35 decks)

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