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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
Frontal plane
Coronal plane Imaginary line dividing the body into anterior and posterior parts
26
Horizontal plane
Imaginary line dividing the body into superior and inferior parts
27
Frontal eminence
Prominence of the forehead
28
Glabella
Elevated area between the eyebrows Flat in kids and women Rounded in men
29
Supraorbital ridge
Just under each eyebrow
30
Auricle
Flexible, oval flap of the ear Collects sound waves Made of cartilage
31
Tragus
Small flap of tissue Anterior free margin of the auricle Important landmark for exposing panoramic radiographs
32
Antitragus
Small flap of tissue opposite the tragus
33
Intertragic notch
Deep bitch separating the tragus and antitragus
34
Helix
Superior and posterior free margins of auricle
35
Lobule
Inferior free margin of auricle
36
External acoustic meatus
Canal/tube through which sound waves are transmitted to the middle ear & tympanic membrane
37
Orbital region
Contains the eye and supporting structures
38
Orbit
Bony socket that supports the eye
39
Sclera
White area of the eye
40
Iris
Central area of pigmentation/coloration
41
Pupil
Opening in center indoors allows light to enter and fall into retina
42
Conjunctiva
Thin, delicate membrane lining eyelids and front of eye (covers sclera)
43
Medial canthus
Inner angle/corner of eye where upper and lower eyelids meet Important radio graphic landmark for premolars
44
Lateral canthus
Outer angle/corner of eye where upper and lower eyelids meet
45
Lacrimal gland
Located superiorly and posteriorly to each upper eyelid (closest to outer canthus) Produces lacrimal fluid which lubricates and cleanses eyes
46
Nasion
Anterior point of frontonasal suture Depressed portion of nose between the eyes Root of the nose is at base of nasion
47
Bridge of the nose
Just inferior to nasion Immovable bony structure
48
Nasal septum
Middle partition between the nostrils Medial aspect of the nares
49
Apex of the nose
Tip of the nose, supported by flexible cartilage
50
Ala/Alae
Flared, wing like tissue that form lateral aspect of the nares
51
Columella nasi
External tissue that separates the nares Bottom part of nose that separates nostrils
52
Naris/Nares
Nostrils Important radiographic landmark for panoramic
53
Piriform aperture
Anterior nasal opening in the skull
54
Infraorbital region
Inferior to the infraorbital ridge and lateral to the nasal ridge
55
Zygomatic region
Located lateral to the infraorbital Ridge
56
Zygomatic arch
Cheekbone Forms prominence of cheek
57
Temporomandibular joint
Located inferior to the zygomatic arch and just anterior to tragus of ear Mandibular condyle articulates with the temporal bone at the TMJ
58
Buccal region
Soft tissues of the cheek, formed by buccal fat pad and muscles
59
Buccinator muscle
Thin, flat muscle, forms wall of cheek
60
Masseter muscle
Major muscle of the cheek, one of the four muscles of mastication
61
Angle of the mandible
Located inferior to the earlobule
62
Mental region
The chin
63
Labiomental groove
Depression that separates the lower lip from the chin
64
Mental protuberance
Prominent, anterior most part of the mandible
65
Philtrum
Vertical groove in midline of upper lip Extends from columella of nose to tubercle
66
Tubercle
Second area and center of the upper lip where the philtrum terminates
67
Labial commissure
Corners of the mouth Where the upper and lower lips connect
68
Nasolabial sulcus
Depression that travels from the commissure to ala of the nose
69
Maxillary tuberosity
Most posterior aspect of the maxillary arch
70
Retromolar papilla (area)
Most posterior aspect of mandibular arch
71
Labial mucosa
Intraoral surface of the lips, contains minor salivary glands
72
Buccal mucosa
Intraoral surface of the cheek
73
Linea alba
Fusion line between maxillary and mandibular processes forming the cheek
74
Fordyce spots/granules
Entrapped sebaceous glands
75
Parotid papilla
Opening of the Stensen’s duct of the parotid gland
76
Vestibules
Space between the lips/cheek and maxillary/mandibular gingiva and teeth
77
Mucobuccal fold
Superior and inferior boundary of vestibules and his continuous with alveolar mucosa
78
Pterygomandibular fold/Raphe
Posterior limit of the vestibules Joins upper and lower alveolar processes Separates the cheek from the pharynx
79
Retromolar Pad
Thick area of tissue just distal and lingual to retromolar papilla
80
Alveolar mucosa
Mucosa that covers alveolar bone
81
Labial Frenum
Connective tissue attachment of labial tissue to alveolar bone Maxillary and mandibular
82
Mascutory mucosa
When you bite into some thing it takes the brunt of the force. Deflects food away from the gums and teeth
83
Free gingiva
Not attached. Area from gingival margin to free gingival groove Should be pale pink and firm
84
Gingival margin/gingival crest
Free edge of the gingiva. At the tooth edge
85
Free gingival groove
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
Gingival sulcus
Internal aspect of free gingiva Space between the free gingiva and tooth
87
Attached gingiva
Area from free gingival groove to mucogingival junction (MGJ) Stippled band of tissue
88
Interdental papilla (gingiva)
Interproximal gingiva Pyramid shaped on the facial/buckle aspect. Composed of free and attached gingiva
89
Mucogingival Junction
Junction point between attached gingiva and alveolar mucosa
90
Col region
Delicate gingiva that lies between the proximal contact of two adjacent teeth

115 Oral, Head And Neck Anatomy (25 decks)

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