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Oral Anatomy > Bones > Flashcards

Bones Flashcards

1
Q

Internal surface of mandible contains:

A 
Mylohyloid ridge
Sublingual fossa
Submandibular fossa
Genial tuberculosis
Lingual foramen
Retro molar triangle/pad
Digastric fossa
Lingula-boney surface off of mandibular foramen
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2
Q

The mandible is comprised of:

A

Body
Ramus
Alveolar process-houses mand teeth

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3
Q

Condylar process is located where on the mandibular?

A

Most posterior portion of the mandible

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4
Q

Condylar process neck is..

A

Condyle to the ramus

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5
Q

The Condyle process is going to articulate with..

A

The temporal bone and the mandibular fossa(glenoid fossa)

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6
Q

External surface of mandible contains:

A

Mental protuberance-chin
Mental foramen-separates alveolar process&body
External oblique ridge
Angle of mandible-Ramus and body

MMEA

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7
Q

The vertical part of the mandible is?

A

The ramus

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8
Q

What do you see on the ramus with the medial view

A

The mandibular foramen

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9
Q

What processes are on the ramus?

A

Coronoid process

Condyle process

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10
Q

Name the notches on the ramus?

A

Coronoid notch-forms anterior border of ramus

Mandibular notch-

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11
Q

Describe the lateral view of the mandible?

A

Relatively flat

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12
Q

Viscerocranium: 14 bones

A 
Mandible
Vomer
2 maxillae
2 lacrimal
2 zygomatic
2 nasal
2 palatine
2 inferior nasal conchae
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13
Q

Superior orbital fissure location and what runs through it?

A

Between greater and lesser of sphenoid wings.
Cranial nerves 3,4,5-1,6 and ophthalmic vein

Ophthalmic vein- drains muscles of eye movement

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14
Q

Inferior orbital fissure location and what runs through it?

A

Between greater wing of sphenoid and maxillae.
Nerves- branches of 5-2, infraorbital and zygomatic nerves.
Infraorbital artery and inferior ophthalmic vein.

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15
Q

Optic canal location and nerves?

A

Within the lesser wing of the sphenoid.

Cranial nerve 2 and ophthalmic artery.

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16
Q

Infraorbital foramen location and nerves

A

Inferior from orbits
On maxilla
Transmits in infraorbital nerve and direct continuation of 5-2.

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17
Q

Foramen ovale location and nerves

A

In greater wing of sphenoid
V3

“ROCS”

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18
Q

Foramen spinosum location and nerves

A

Posterior lateral to foramen ovale
Meningeal artery

“ROCS”

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19
Q

Foramen spinosum location and nerve

A

Greater wing of sphenoid
V2

“ROCS”

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20
Q

Optic canal location and nerve

A

Superior to orbital fissure

Cranial nerve 2- nerve from brain to eye ball

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21
Q

Sphenoid bone characteristics

A

Sella turcica-“saddle” pituitary gland

Greater and lesser wings

Many foramens “ROS”

22
Q

Ethmoid bone characteristics

A

Crista galli- cockscomb- attachment site for tissues

Cribriform plate- transmits fibers of cranial nerve 1 (sense of smell-olfactory nerve)

Have sinuses

23
Q

Name the notches on the ramus?

A

Coronoid notch-forms anterior border of ramus

Mandibular notch-

24
Q

Describe the lateral view of the mandible?

A

Relatively flat

25
Q

Viscerocranium: 14 bones

A 
Mandible
Vomer
2 maxillae
2 lacrimal
2 zygomatic
2 nasal
2 palatine
2 inferior nasal conchae
26
Q

Superior orbital fissure location and what runs through it?

A

Between greater and lesser of sphenoid wings.
Cranial nerves 3,4,5-1,6 and ophthalmic vein

Ophthalmic vein- drains muscles of eye movement

27
Q

Inferior orbital fissure location and what runs through it?

A

Between greater wing of sphenoid and maxillae.
Nerves- branches of 5-2, infraorbital and zygomatic nerves.
Infraorbital artery and inferior ophthalmic vein.

28
Q

Optic canal location and nerves?

A

Within the lesser wing of the sphenoid.

Cranial nerve 2 and ophthalmic artery.

29
Q

Infraorbital foramen location and nerves

A

Inferior from orbits
On maxilla
Transmits in infraorbital nerve and direct continuation of 5-2.

30
Q

Pterygoid process- sphenoid bone

A

Larger projections - one bone

Medial and lateral plates

Pterygoid fossa(depression)

Hamulus- most inferior extension of the medial pterygoid plate

Attachment of muscles

31
Q

Mandibular fossa

A

Large depression aka glenoid fossa

Where the mandible meets the sphenoid bone

32
Q

Occipital condyles

A

Articulation with 1st cervical vertebrae

Anteriolateral of foramen magnum

33
Q

Hard palate formed by

A

2 palatine processes of the maxilla
2 horizontal plates of the palatine bones

Sutures
Median palatine-joins palate bones
Transverse palatine-joins maxilla and palate
Intermaxillary-

34
Q

Hard palate foramina

A

Incisive foramen- nasopalatine nerve

Greater palatine- greater palatine nerve

Lesser palatine- lesser palatine nerve

35
Q

Infraorbital foramen location and nerve

A

Maxilla
The infraorbital nerve
direct continuation of V2

36
Q

Nasal cavity characteristics

Bounded by:

A

Piriform aperture- large opening that nose covers, bony rim of nasal cavity.

Nasal bones superiority
Maxilla create lateral and inferior walls.

37
Q

Nasal septum is composed of

A

Ethmoid- anterior/superior
Vomer- post/inferior
Nasal septum cartilage

38
Q

Pterion-

Asterion-

A

Weakest part of the skull, but joins lots of muscles

Strong area on skull.
Temporal, parietal and occipital meet

39
Q

Styloid process

A

Long slender projection on temporal bone

40
Q

Temporal fossa

A

Slight depression, larger than pterion

Covers more than just temporal bone

41
Q

Zygomatic characteristics:
What does it form?

Where located?

Articulates with?

Joined to temporal bone by?

A

Form prominence of cheek

Lateral wall of orbit

Frontal, maxillary, sphenoid and temporal

The temporozygomatic suture (cheek arch)

42
Q

Sinuses: air filled cavities

Where are they located

(Always named after the bone the are in)

A

Frontal- superior to eyes

Ethmoid- irregular cells

Sphenoid- posterior to orbits, superior to nasal

Maxillary- by cheeks
Most commonly infected area

43
Q

Foramen lacerum

A

Occluded with cartilage.
By foramen ovale
No nerve

44
Q

Carotid canal “ROCS”

A

Internal carotid arteries

In temporal bone

45
Q

Stylomastoid foramen

Location and nerve

A

Temporal bone

In between styloid and mastoid

Cranial nerve 7. (Facial expressions)

46
Q

Jugular foramen

Nerves?

A

Large opening

Internal jugular vein, 9, 10, 11

47
Q

Hypoglossal canal

Location and nerve

A

On occipital bone

Cranial nerve 12

48
Q

Foramen magnum

Location and nerves

A

Occipital bone

Spinal cord, vertebral arteries

Nerve 11

49
Q

Maxilla articulates with

A

Zygomatic
Greater wing of sphenoid
Nasal
Frontal

50
Q

Maxilla 4 processes?

A

Zygomatic
2 alveolar
Palatine
Frontal

51
Q

Maxillae- medial view

A

Maxillary sinus- infected easily
Nasal cavity-
Horizontal palatine process-make up hard palate

52
Q

Maxillae lateral view

A

Canine eminence and fossa-where Max canines are

Infraorbital foramen-below orbit on max bone

Anterior nasal spine- on max bone by nose

Maxillary tuberosity-in mouth, post to last molar

Alveolar process-what the teeth sit in

Oral Anatomy (16 decks)

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