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Oral, Head, Neck Anatomy > Quiz 4 > Flashcards

Quiz 4 Flashcards

0
Q

Piriform aperture

A

Anterior opening, large and triangular

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1
Q

Nasion

A

Midpoint, junction of the frontal and nasal bones

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2
Q

Bridge of the nose

A

Underneath nasion, formed by two paired nasal bones

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3
Q

Nasal concha

A

Scroll like projections that extend into nasal cavity

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4
Q

Superior /middle nasal concha made of what bone?

A

Ethmoid

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5
Q

Inferior concha made if what bone?

A

Separate facial bone

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6
Q

Nasal meatus

A

Passageway found beneath each conchae

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7
Q

Meatus contains:

A

An ostia (opening) which paranasal sinus and nasolacrimal duct drains into nasal cavity

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8
Q

Nasal septum

A

Vertical portion, divides the two nostrils

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9
Q

Nasal septum is formed by:

A

Superior:
Nasal septum cartilage (anterior) and perpendicular plate of the ethmoid bone (posteriorly)
Inferior:
Vomer bone

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10
Q

Coronal suture

A

Frontal and parietal bones

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11
Q

Lambdoidal suture

A

Parietal and occipital bones

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12
Q

Squamosal suture

A

Temporal and parietal bones

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13
Q

Temporal fossa

A

Formed by several bones, contains body of temporalis muscle

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14
Q

Infra temporal fossa

A

Inferior to temporal fossa

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15
Q

Pterygopalatine fossa

A

Deep to infra temporal fossa, pterygopalatine canal goes through it

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16
Q

Hard palate formed by:

A

Palatine processes of the maxilla

Horizontal plates of the palatine bones

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17
Q

Two prominent sutures of the hard palate:

A

Median palatine suture and transverse palatine suture

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18
Q

Hard palate forms:

A

Floor of the nasal cavity as well as the roof of the mouth

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19
Q

Posterior nasal apertures (choanae)

A

Posterior funnel shaped openings of the nasal cavity, located directly posterior to palatine bones

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20
Q

Superior edge if nasal apertures formed by:

A

Vomer and sphenoid bones

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21
Q

Medial border of each aperture formed by:

A

Posterior edge of vomer

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22
Q

Lateral borders of nasal aperture formed by:

A

The pterygoid process if the sphenoid bone

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23
Q

Pterygoid canal

A

Small canal that opens into the pterygopalatine fossa; carries pterygoid nerve and blood vessels

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24
Pterygoid process
Lateral to the nasal apertures, made up of medial and lateral pterygoid plates
25
Medial pterygoid plate
Very thin, Hamulus process forms on the inferior portion
26
Lateral pterygoid plate
More flattened
27
Pterygoid fossa
Depression between medial and later pterygoid plates
28
Foramen ovale
Large opening of the sphenoid bone, mandibular division of the trigeminal V cranial nerve
29
Foramen spinosum
Smaller more posterior opening on the sphenoid bone, carries the meningeal artery into cranial cavity
30
Foramen lacerum
Second biggest opening, carotid artery emerges here from the carotid canal
31
Carotid canal
Opening in temporal bone, carries internal carotid artery and sympathetic carotid plexus
32
Styloid process
Lateral and posterior to carotid canal, pointed bony projection located on temporal bone
33
Stylomastoid foramen
Immediately posterior to Styloid process, facial VII cranial nerve exits from the skull to the face
34
Jugular foramen
Internal jugular vein, glossopharyngeal IX, vagus X, and spinal accessory XI pass through opening
35
Foramen magnum
Biggest opening, spinal cord and vertebral arteries pass through
36
Cribriform plate
Opening for the olfactory nerve I cranial nerve
37
Foramen rotundum
Located between foramen ovale and foramen lacerum; opening for the maxillary division of the trigeminal V cranial nerve
38
Hypoglossal canal
Opening for the Hypoglossal XII cranial nerve
39
Internal acoustic meatus
Facial nerve VII and vestibulocohlear nerve VIII
40
Occipital condyles
Curved smooth projections on both sides of the foramen magnum
41
Pharyngeal tubercle
Midline projection above foramen magnum
42
Jugular notch of occipital bone
Medial portion of two bones that form the jugular foramen
43
Occipital bone
Single cranial bone that articulates with the parietal, temporal, and sphenoid
44
Frontal bone
Single cranial bone that forms the forehead and the superior portion of the orbits, articulates with the parietal, sphenoid, lacrimal, nasal, ethmoid, zygomatic and maxilla
45
Supra orbital ridge
Curved elevations over the eyes
46
Supra orbital notch
Notch in the supraorbital ridge, supraorbital nerve and artery pass through
47
Glabella
Smooth elevates area between eyebrows, flat in women and children rounded in men
48
Zygomatic process of the frontal bone
Bony projection that attaches to the zygoma
49
Lacrimal fossa
Inside the supraorbital ridge
50
Lacrimal gland
Located in fossa, lubricates eye drains through the nasolacrimal duct into nasal cavity
51
Parietal bones
Paired and articulate at the sagittal suture, also articulate with the occipital, frontal, temporal and sphenoid bones
52
Temporal bones
Paired and articulate with parietal, sphenoid, occipital, and zygomatic bones
53
Three portions of the temporal bones:
Squamous, tympanic, petrous portion
54
Articular fossa
Depression that the mandibular condyle articulates in
55
Articular eminence
Round raised bony structure just anterior to fossa
56
Postglenoid process
Posterior aspect of the eminence
57
Petrotympanic fissure
Separates tympanic portion and petrous portion of temporal bones; chorda tympani nerve passes through
58
Mastoid process
Large rounded roughened projection
59
Mastoid notch
Depression just medial to the astound process
60
Styloid process
Long pointed bony projection, located inferior and medial to external acoustic meatus
61
Stylomastoid foramen
Facial nerve VII passes through, between the Styloid process and mastoid process

Oral, Head, Neck Anatomy (5 decks)

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