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115 Oral, Head And Neck Anatomy > Part I Anatomical Structure > Flashcards

Part I Anatomical Structure Flashcards

1
Q

Anterior

A

Ventral/front area

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2
Q

Posterior

A

Dorsal/ back area

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3
Q

Superior

A

Toward the head

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4
Q

Inferior

A

Toward the feet

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5
Q

Apex

A

Pointed end of a conical structure

Ex. Root of the tooth

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6
Q

Cephalic

A

The head

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7
Q

Caudal

A

The tail

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8
Q

Medial/median

A

Internal/close to the midline

Median plane/midline, inner side

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9
Q

Lateral

A

External/away from the midline

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10
Q

Unilateral

A

One side

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11
Q

Ipsilateral

A

Structures in the same side of the body

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12
Q

Proximal

A

Area/Surface closest to the median plane

Dental: contact area between two teeth

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13
Q

Distal

A

Further away from the midline

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14
Q

Contralateral

A

Structures on the opposite side

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15
Q

Deep

A

Located inward/away from the surface

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16
Q

Superficial

A

Located toward the surface

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17
Q

Buccal

A

Toward the cheek

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18
Q

Facial

A

Toward the face

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19
Q

Labial

A

Toward the lips

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20
Q

Lingual

A

Toward the tongue

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21
Q

Palatal

A

Toward the palate (maxillary lingual)

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22
Q

Anatomical planes of the body

A

Median/mid sagittal
Sagittal
Frontal
Horizontal

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23
Q

Median plane

A

Also midsagittal plane

Imaginary line dividing the body into left and right halves

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24
Q

Sagittal plane

A

Imaginary plane parallel to the median plane

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25
Q

Frontal plane

A

Coronal plane

Imaginary line dividing the body into anterior and posterior parts

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26
Q

Horizontal plane

A

Imaginary line dividing the body into superior and inferior parts

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27
Q

Frontal eminence

A

Prominence of the forehead

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28
Q

Glabella

A

Elevated area between the eyebrows

Flat in kids and women
Rounded in men

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29
Q

Supraorbital ridge

A

Just under each eyebrow

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30
Q

Auricle

A

Flexible, oval flap of the ear

Collects sound waves

Made of cartilage

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31
Q

Tragus

A

Small flap of tissue

Anterior free margin of the auricle
Important landmark for exposing panoramic radiographs

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32
Q

Antitragus

A

Small flap of tissue opposite the tragus

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33
Q

Intertragic notch

A

Deep bitch separating the tragus and antitragus

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34
Q

Helix

A

Superior and posterior free margins of auricle

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35
Q

Lobule

A

Inferior free margin of auricle

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36
Q

External acoustic meatus

A

Canal/tube through which sound waves are transmitted to the middle ear & tympanic membrane

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37
Q

Orbital region

A

Contains the eye and supporting structures

38
Q

Orbit

A

Bony socket that supports the eye

39
Q

Sclera

A

White area of the eye

40
Q

Iris

A

Central area of pigmentation/coloration

41
Q

Pupil

A

Opening in center indoors allows light to enter and fall into retina

42
Q

Conjunctiva

A

Thin, delicate membrane lining eyelids and front of eye (covers sclera)

43
Q

Medial canthus

A

Inner angle/corner of eye where upper and lower eyelids meet

Important radio graphic landmark for premolars

44
Q

Lateral canthus

A

Outer angle/corner of eye where upper and lower eyelids meet

45
Q

Lacrimal gland

A

Located superiorly and posteriorly to each upper eyelid (closest to outer canthus)

Produces lacrimal fluid which lubricates and cleanses eyes

46
Q

Nasion

A

Anterior point of frontonasal suture

Depressed portion of nose between the eyes

Root of the nose is at base of nasion

47
Q

Bridge of the nose

A

Just inferior to nasion

Immovable bony structure

48
Q

Nasal septum

A

Middle partition between the nostrils

Medial aspect of the nares

49
Q

Apex of the nose

A

Tip of the nose, supported by flexible cartilage

50
Q

Ala/Alae

A

Flared, wing like tissue that form lateral aspect of the nares

51
Q

Columella nasi

A

External tissue that separates the nares

Bottom part of nose that separates nostrils

52
Q

Naris/Nares

A

Nostrils

Important radiographic landmark for panoramic

53
Q

Piriform aperture

A

Anterior nasal opening in the skull

54
Q

Infraorbital region

A

Inferior to the infraorbital ridge and lateral to the nasal ridge

55
Q

Zygomatic region

A

Located lateral to the infraorbital Ridge

56
Q

Zygomatic arch

A

Cheekbone

Forms prominence of cheek

57
Q

Temporomandibular joint

A

Located inferior to the zygomatic arch and just anterior to tragus of ear

Mandibular condyle articulates with the temporal bone at the TMJ

58
Q

Buccal region

A

Soft tissues of the cheek, formed by buccal fat pad and muscles

59
Q

Buccinator muscle

A

Thin, flat muscle, forms wall of cheek

60
Q

Masseter muscle

A

Major muscle of the cheek, one of the four muscles of mastication

61
Q

Angle of the mandible

A

Located inferior to the earlobule

62
Q

Mental region

A

The chin

63
Q

Labiomental groove

A

Depression that separates the lower lip from the chin

64
Q

Mental protuberance

A

Prominent, anterior most part of the mandible

65
Q

Philtrum

A

Vertical groove in midline of upper lip

Extends from columella of nose to tubercle

66
Q

Tubercle

A

Second area and center of the upper lip where the philtrum terminates

67
Q

Labial commissure

A

Corners of the mouth

Where the upper and lower lips connect

68
Q

Nasolabial sulcus

A

Depression that travels from the commissure to ala of the nose

69
Q

Maxillary tuberosity

A

Most posterior aspect of the maxillary arch

70
Q

Retromolar papilla (area)

A

Most posterior aspect of mandibular arch

71
Q

Labial mucosa

A

Intraoral surface of the lips, contains minor salivary glands

72
Q

Buccal mucosa

A

Intraoral surface of the cheek

73
Q

Linea alba

A

Fusion line between maxillary and mandibular processes forming the cheek

74
Q

Fordyce spots/granules

A

Entrapped sebaceous glands

75
Q

Parotid papilla

A

Opening of the Stensen’s duct of the parotid gland

76
Q

Vestibules

A

Space between the lips/cheek and maxillary/mandibular gingiva and teeth

77
Q

Mucobuccal fold

A

Superior and inferior boundary of vestibules and his continuous with alveolar mucosa

78
Q

Pterygomandibular fold/Raphe

A

Posterior limit of the vestibules

Joins upper and lower alveolar processes

Separates the cheek from the pharynx

79
Q

Retromolar Pad

A

Thick area of tissue just distal and lingual to retromolar papilla

80
Q

Alveolar mucosa

A

Mucosa that covers alveolar bone

81
Q

Labial Frenum

A

Connective tissue attachment of labial tissue to alveolar bone

Maxillary and mandibular

82
Q

Mascutory mucosa

A

When you bite into some thing it takes the brunt of the force. Deflects food away from the gums and teeth

83
Q

Free gingiva

A

Not attached. Area from gingival margin to free gingival groove

Should be pale pink and firm

84
Q

Gingival margin/gingival crest

A

Free edge of the gingiva. At the tooth edge

85
Q

Free gingival groove

A

Depression that marks the end of free gingiva

Attached gingiva starts here and corresponds with base of gingival sulcus

1-3mm superior on maxillary arch

86
Q

Gingival sulcus

A

Internal aspect of free gingiva

Space between the free gingiva and tooth

87
Q

Attached gingiva

A

Area from free gingival groove to mucogingival junction (MGJ)

Stippled band of tissue

88
Q

Interdental papilla (gingiva)

A

Interproximal gingiva

Pyramid shaped on the facial/buckle aspect. Composed of free and attached gingiva

89
Q

Mucogingival Junction

A

Junction point between attached gingiva and alveolar mucosa

90
Q

Col region

A

Delicate gingiva that lies between the proximal contact of two adjacent teeth

115 Oral, Head And Neck Anatomy (25 decks)

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