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Exam 1: DHHD 5002 > Nation 2 > Flashcards

Nation 2 Flashcards

1
Q

The skull is divided into two portions:

  1. ________- forms a protective case around the brain
  2. ________ - situated anteriorly, it is comprised of several bones that form the facial skeleton.
A
  1. Neurocranium (braincase)

2. Viscerocranium (splanchnocranium)

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2
Q
  • Roof of the cranial cavity

* Formed by potions of the frontal bone, left and right parietal bones, and occipital bone

A

Calvaria

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3
Q

Separates the frontal and two parietal bones

A

Coronal suture

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4
Q

Separates the two parietal bones

A

Sagittal suture

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5
Q

Separates the two parietal bones and the occipital bone

A

Lamboid suture

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6
Q

Landmark formed by the intersection of the sagittal and coronal sutures

A

Bregma

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7
Q

The most superior part of the skull

A

Vertex

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8
Q

______ forms anterior part of side of the skull and articulates with the parietal bone at the coronal suture

A

Frontal bone

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9
Q

_______ form the sides and roof of the cranium and articulates with each other in the midline at the sagittal suture, posteriorly they articulate with the occipital bones at the lambdoid suture

A

Parietal bones

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10
Q

The skull is completed at the sides by the _______ (squamous, tympanic, mastoid process, styloid process, zygomatic process), the greater wing of the _______, and the temporal process of the ________.

A
  • temporal bone
  • sphenoid bone
  • zygomatic bone
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11
Q

Temporal process of the zygomatic bone + the zygomatic process of the temporal bone

A

Zygomatic arch

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12
Q

Thinnest part of the lateral wall of the skull. Parietal bone articulates with greater wing of the sphenoid bone, temporal bone, and frontal bone. Underlying the it is the anterior division of the middle meningeal artery (rupture causes an epidural hematoma) and vein.

A

Pterion

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13
Q

The nasal cavity is divided into two by the bony nasal septum- largely formed by the ____ and the perpendicular plate of the _______.

A
  • vomer

- ethmoid bone

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14
Q

The ______ is the structure in which the pituitary gland is held and the sphenoid sinus just inferior.

A

Sella turcica

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15
Q

“Shelves” of the ethmoid bone that project into the nasal cavity from each side.

A

Superior and middle nasal conchae

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16
Q

Separate bone

A

Inferior nasal conchae

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17
Q
  • Back of the head.

* Formed by the occipital bone, parietal bones, and mastoid parts of the temporal bones

A

Occiput

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18
Q

Palpable elevation in midline of occipital bone.

A

External occipital protuberance (inion)

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19
Q

Points of attachment for various muscles responsible for stabilizing the head on the neck and maintaining posture of the back.

A

Superior and inferior nuchal lines

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20
Q

Protuberances of the occipital bone. Function in articulation with the superior facets of the atlas (C1 vertebra).

A

Occipital condyle

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21
Q

Largest opening in the base of the skull, discussed later.

A

Foramen magnum

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22
Q

At about the middle of each occipital condyle- runs horizontally, the hypoglossal nerve (CN XII) emerges from it.

A

Hypoglossal canal

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23
Q

Midline tubercle on the basal part of the occipital bone, attachment sight for the superior constrictor muscle of the pharynx.

A

Pharyngeal tubercle

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24
Q

Gap between the occipital, sphenoid, and petrous part of the temporal bone. Filled with cartilage in life.

A

Foramen lacerum

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25
Q

Houses the superior end of the internal jugular vein, opens through the jugular foramen into the interior of the skull. CN IX, CN X, and CN XI emerge from the jugular foramen, located medial to the styloid process.

A

Jugular fossa

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26
Q

Transmits the internal carotid artery. First the canal runs vertically in the temporal bone, then turns abruptly to run anteriorly and medially emerging just above the foramen lacerum. The carotid canal is located immediately anterior to the jugular foramen.

A

Carotid canal

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27
Q

Attachment sight for muscles, posterior to the external acoustic meatus.

A

Mastoid process

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28
Q

Anteromedial to the mastoid process, varies in thickness and length, attachment sight for muscles.

A

Styloid process

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29
Q

Transmits the facial nerve (CN VII) and stylomastoid artery, located between the styloid process and the mastoid process.

A

Stylomastoid foramen

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30
Q

Passage leading inward through the tympanic portion of the temporal bone, located anterior to the mastoid process.

A

External acoustic meatus

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31
Q

Concavity on inferior surface of the pars squamosal for articulation with the mandible

A

Mandibular fossa

32
Q

Projection downward from the body of the sphenoid bone

A

Medial pterygoid plate

33
Q

Posteriorly projecting hook of bone (from the medial pterygoid plate) which the tendon of the tensor veli palatine uses to glide against.

A

Hamulus of the medial pterygoid plate

34
Q

Projection downward from the greater wing of the sphenoid bone. Bony attachment sight for the medial and lateral pterygoid muscles.

A

Lateral pterygoid plate

35
Q

Transmits the mandibular branch of the trigeminal nerve (V3) into the posterior part of the infratemporal fossa

A

Foramen ovale

36
Q

Posterolateral to the foramen ovale, transmits the middle meningeal artery

A

Foramen spinosum

37
Q

Midline bone, forms part of the bony septum of the nasal cavity

38
Q

Hard palate is formed by the _______ anteriorly and the _______ posteriorly

A
  • palatine processes of the maxillae

- horizontal plates of the palatine bones

39
Q

Above the posterior edge of the hard palate are the ______ (posterior nasal aperture)

40
Q

______ are separated by the posterior margin of the vomer and bounded laterally by the medial pterygoid plates of the sphenoid bone.

41
Q

Posterolateral region of each of the palatine bones, usually at apex of maxillary third molar. Transmits the greater and lesser palatine nerve and blood vessels, respectively.

A

Greater and lesser palatine foramen

42
Q

Located in the anterior midline, where the palatine process blends with the alveolar process. Transmits nerves and arteries to innervate and supply the hard palate.

A

Incisive Fossa

43
Q

The ______ curves downward to make the superior margins of the orbits.

A

frontal bone

44
Q

Hollow spaces within the frontal bone, just above the orbital margins, lined with mucous membrane.

A

Frontal air sinuses

45
Q

Transmits the supraorbital nerve, cutaneous branch of the ophthalmic division of trigeminal nerve (V1)

A

Supraorbital notch/foramen

46
Q

Two ______ form the bridge of the nose.

A

Nasal bones

47
Q

The nasal bones and borders of the maxilla make up the ______.

A

Anterior nasal aperture

48
Q

The ________ forms the prominence of the check and part of the lateral wall and floor of the orbital cavity. Medially it articulates with the maxilla, laterally it articulates with the temporal bone to form the zygomatic arch, and superiorly it articulates with the frontal bone.

A

zygomatic bone

49
Q

The ______ form the upper jaw. The two bones meet in the middle at the intermaxillary suture.

50
Q

Inferior to the orbit, the maxilla is perforated by the _______ -passage way for infraorbital nerves and vessels.

A

infraorbital foramen

51
Q

______ project inferiorly and form the alveolar arch, which carries the upper teeth.

A

Alveolar processes

52
Q

Large pyramid-shaped cavity within each maxillae.

A

Maxillary sinus

53
Q

Aperture in the lesser wing of the sphenoid bone that transmits the optic nerve and the ophthalmic artery.

A

Optic canal

54
Q

Between lesser wing and greater wing of the sphenoid bone.

A

Superior orbital fissure

55
Q

Gap between the maxilla and the greater wing of the sphenoid bone.

A

Inferior orbital fissure

56
Q

Orbital plate of the frontal bone and lesser wing of the sphenoid bone

57
Q

Maxilla, zygomatic bone, small portion of the palatine bone

58
Q

Orbital plate of the ethmoid bone. Located here are also the anterior and posterior ethmoidal foramina. On the anterior aspect of the medial wall is the lacrimal fossa. Thinnest wall of the orbit.

A

Medial wall

59
Q

Frontal process of the zygomatic bone and orbital plate of the greater wing of the sphenoid bone. Thickest wall of the orbit.

A

Lateral wall

60
Q

Body- Divided into two parts:

  1. _____ - inferior part
  2. ______ - superior part bearing the teeth.
A
  • Base

- Pars alveolaris (alveolar process)

61
Q

Vertically oriented, articulates with temporal bone.

62
Q

The ramus and body meet at the angle.

63
Q

Midline roughened projection where the two sides of the mandible came together.

A

Mental protuberance

64
Q

Passage way for the cutaneous mental nerve (branch of the mandibular division of the trigeminal nerve V3).

A

Mental foramen

65
Q

Ridge running from the front of the ramus onto the body of the mandible.

A

Oblique line

66
Q

More anterior to condylar process, sharper, attachment site for muscles

A

Coronoid process

67
Q

Posterior to the coronoid process, participates in the temporomandibular joint. Below the head is the neck, at the junction of the head and neck is the pteryoid fovea- attachment site for part of the lateral pterygoid muscle.

A

Condylar process

68
Q

Concavity between the coronoid and condylar processes

A

Mandibular notch

69
Q

Midline roughened projections on inner surface of mandible.

A

Superior and inferior mental spines

70
Q

Lateral to the mental spines, contains the anterior end of the sublingual salivary gland.

A

Sublingual fossa

71
Q

Attachment sight for the anterior belly of the digastric muscle, located on the posterior and inferior border of the mandible.

A

Digastric fossa

72
Q

Begins between the sublingual and digastric impressions, attachment sight for mylohyoid muscle.

A

Mylohyoid line

73
Q

Inferior to the mylohyoid line, contains the submandibular salivary gland.

A

Submandibular fossa

74
Q

Entrance to the mandibular canal, carries nerves and arteries to the teeth.

A

Mandibular foramen

75
Q

Small projection of bone, anterior and slightly superior to the mandibular foramen, used as a landmark for the injection of the nerve.

76
Q

Small mark that indicates the course of the mylohyoid nerve and vessels.

A

Mylohyoid groove

Exam 1: DHHD 5002 (23 decks)

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