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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
Viscerocranium: 14 bones
``` Mandible Vomer 2 maxillae 2 lacrimal 2 zygomatic 2 nasal 2 palatine 2 inferior nasal conchae ```
26
Superior orbital fissure location and what runs through it?
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
Inferior orbital fissure location and what runs through it?
Between greater wing of sphenoid and maxillae. Nerves- branches of 5-2, infraorbital and zygomatic nerves. Infraorbital artery and inferior ophthalmic vein.
28
Optic canal location and nerves?
Within the lesser wing of the sphenoid. | Cranial nerve 2 and ophthalmic artery.
29
Infraorbital foramen location and nerves
Inferior from orbits On maxilla Transmits in infraorbital nerve and direct continuation of 5-2.
30
Pterygoid process- sphenoid bone
Larger projections - one bone Medial and lateral plates Pterygoid fossa(depression) Hamulus- most inferior extension of the medial pterygoid plate Attachment of muscles
31
Mandibular fossa
Large depression aka glenoid fossa | Where the mandible meets the sphenoid bone
32
Occipital condyles
Articulation with 1st cervical vertebrae | Anteriolateral of foramen magnum
33
Hard palate formed by
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
Hard palate foramina
Incisive foramen- nasopalatine nerve Greater palatine- greater palatine nerve Lesser palatine- lesser palatine nerve
35
Infraorbital foramen location and nerve
Maxilla The infraorbital nerve direct continuation of V2
36
Nasal cavity characteristics Bounded by:
Piriform aperture- large opening that nose covers, bony rim of nasal cavity. Nasal bones superiority Maxilla create lateral and inferior walls.
37
Nasal septum is composed of
Ethmoid- anterior/superior Vomer- post/inferior Nasal septum cartilage
38
Pterion- Asterion-
Weakest part of the skull, but joins lots of muscles Strong area on skull. Temporal, parietal and occipital meet
39
Styloid process
Long slender projection on temporal bone
40
Temporal fossa
Slight depression, larger than pterion Covers more than just temporal bone
41
Zygomatic characteristics: What does it form? Where located? Articulates with? Joined to temporal bone by?
Form prominence of cheek Lateral wall of orbit Frontal, maxillary, sphenoid and temporal The temporozygomatic suture (cheek arch)
42
Sinuses: air filled cavities Where are they located (Always named after the bone the are in)
Frontal- superior to eyes Ethmoid- irregular cells Sphenoid- posterior to orbits, superior to nasal Maxillary- by cheeks Most commonly infected area
43
Foramen lacerum
Occluded with cartilage. By foramen ovale No nerve
44
Carotid canal "ROCS"
Internal carotid arteries In temporal bone
45
Stylomastoid foramen Location and nerve
Temporal bone In between styloid and mastoid Cranial nerve 7. (Facial expressions)
46
Jugular foramen Nerves?
Large opening Internal jugular vein, 9, 10, 11
47
Hypoglossal canal Location and nerve
On occipital bone Cranial nerve 12
48
Foramen magnum Location and nerves
Occipital bone Spinal cord, vertebral arteries Nerve 11
49
Maxilla articulates with
Zygomatic Greater wing of sphenoid Nasal Frontal
50
Maxilla 4 processes?
Zygomatic 2 alveolar Palatine Frontal
51
Maxillae- medial view
Maxillary sinus- infected easily Nasal cavity- Horizontal palatine process-make up hard palate
52
Maxillae lateral view
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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