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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
Q

Pterygoid process

A

Lateral to the nasal apertures, made up of medial and lateral pterygoid plates

25
Q

Medial pterygoid plate

A

Very thin, Hamulus process forms on the inferior portion

26
Q

Lateral pterygoid plate

A

More flattened

27
Q

Pterygoid fossa

A

Depression between medial and later pterygoid plates

28
Q

Foramen ovale

A

Large opening of the sphenoid bone, mandibular division of the trigeminal V cranial nerve

29
Q

Foramen spinosum

A

Smaller more posterior opening on the sphenoid bone, carries the meningeal artery into cranial cavity

30
Q

Foramen lacerum

A

Second biggest opening, carotid artery emerges here from the carotid canal

31
Q

Carotid canal

A

Opening in temporal bone, carries internal carotid artery and sympathetic carotid plexus

32
Q

Styloid process

A

Lateral and posterior to carotid canal, pointed bony projection located on temporal bone

33
Q

Stylomastoid foramen

A

Immediately posterior to Styloid process, facial VII cranial nerve exits from the skull to the face

34
Q

Jugular foramen

A

Internal jugular vein, glossopharyngeal IX, vagus X, and spinal accessory XI pass through opening

35
Q

Foramen magnum

A

Biggest opening, spinal cord and vertebral arteries pass through

36
Q

Cribriform plate

A

Opening for the olfactory nerve I cranial nerve

37
Q

Foramen rotundum

A

Located between foramen ovale and foramen lacerum; opening for the maxillary division of the trigeminal V cranial nerve

38
Q

Hypoglossal canal

A

Opening for the Hypoglossal XII cranial nerve

39
Q

Internal acoustic meatus

A

Facial nerve VII and vestibulocohlear nerve VIII

40
Q

Occipital condyles

A

Curved smooth projections on both sides of the foramen magnum

41
Q

Pharyngeal tubercle

A

Midline projection above foramen magnum

42
Q

Jugular notch of occipital bone

A

Medial portion of two bones that form the jugular foramen

43
Q

Occipital bone

A

Single cranial bone that articulates with the parietal, temporal, and sphenoid

44
Q

Frontal bone

A

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
Q

Supra orbital ridge

A

Curved elevations over the eyes

46
Q

Supra orbital notch

A

Notch in the supraorbital ridge, supraorbital nerve and artery pass through

47
Q

Glabella

A

Smooth elevates area between eyebrows, flat in women and children rounded in men

48
Q

Zygomatic process of the frontal bone

A

Bony projection that attaches to the zygoma

49
Q

Lacrimal fossa

A

Inside the supraorbital ridge

50
Q

Lacrimal gland

A

Located in fossa, lubricates eye drains through the nasolacrimal duct into nasal cavity

51
Q

Parietal bones

A

Paired and articulate at the sagittal suture, also articulate with the occipital, frontal, temporal and sphenoid bones

52
Q

Temporal bones

A

Paired and articulate with parietal, sphenoid, occipital, and zygomatic bones

53
Q

Three portions of the temporal bones:

A

Squamous, tympanic, petrous portion

54
Q

Articular fossa

A

Depression that the mandibular condyle articulates in

55
Q

Articular eminence

A

Round raised bony structure just anterior to fossa

56
Q

Postglenoid process

A

Posterior aspect of the eminence

57
Q

Petrotympanic fissure

A

Separates tympanic portion and petrous portion of temporal bones; chorda tympani nerve passes through

58
Q

Mastoid process

A

Large rounded roughened projection

59
Q

Mastoid notch

A

Depression just medial to the astound process

60
Q

Styloid process

A

Long pointed bony projection, located inferior and medial to external acoustic meatus

61
Q

Stylomastoid foramen

A

Facial nerve VII passes through, between the Styloid process and mastoid process

Oral, Head, Neck Anatomy (5 decks)

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