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Axial Bones > Skull > Flashcards

Skull Flashcards

1
Q

skull has ____ bones

A

22

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2
Q

skull is divided into two parts

A

Calvarium/Cranium and Cranial Base/Facial Bones

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3
Q

forms forehead, superior part of orbits, and most of the anterior cranial fossa

A

Frontal Bone

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4
Q

contains sinuses

A

Frontal Bone

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5
Q

forehead, the most anterior part of the frontal area

A

Squamous

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6
Q

thickened part which lie under the eyebrows

A

Supraorbital Margin

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7
Q

This is where the forehead ends.

A

Supraorbital Margin

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8
Q

passageway of supraorbital artery and nerves

A

Supraorbital Foramen

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9
Q

Form most of the superior and lateral aspects of the skull

A

Parietal Bones

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10
Q

interlocking joints of the skull

A

Sutures

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11
Q

joint between the parietal and frontal bone

A

Coronal Suture

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12
Q

joint between the parietal and occipital bone

A

Lambdoid Suture

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13
Q

joint between the parietal and temporal bone

A

Squamous Suture

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14
Q

joint between two parietal bones

A

Sagittal Suture

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15
Q

Form inferolateral aspects of the skull and contribute to the middle cranial fossa

A

Temporal Bones

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16
Q

Best viewed on lateral position

A

Temporal Bones

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17
Q

Has 3 major parts

A

Temporal Bones

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18
Q

What are the 3 major parts of the temporal bones

A

Squamous, Tympanic, and Petrous

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19
Q

when the zygomatic process of the temporal bone meets the zygomatic bone, it forms an arch.

A

Zygomatic Arch

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20
Q

condylar process of the mandible articulates with the mandibular fossa

A

Temporomandibular Joint (TMJ)

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21
Q

through which the sound enters the ear, thus enables sound waves to reach the eardrum.

A

External Acoustic Meatus

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22
Q

supports the temporal brain

A

Middle Cranial Fossa

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23
Q

passage way of the jugular vein

A

Jugular Foramen

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24
Q

Transmits the internal carotid artery into the cranial cavity.

A

Carotid Canal

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25
Q

between petrous temporal and sphenoid.

A

Foramen Lacerum

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26
Q

Most medial portion

A

Foramen Lacerum

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27
Q

transmits cranial nerves.

A

Internal Acoustic Meatus

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28
Q

which acts as an anchoring site for some neck muscles.

A

Mastoid Process

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29
Q

Can be felt as a lump just posterior to the ear.

A

Mastoid Process

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30
Q

The mastoid has many air cavities called

A

Mastoid Air Cells

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31
Q

needle like process which is not just for neck attachment but also for tongue muscles.

A

Styloid Process

32
Q

allows passage of the maxillary division of cranial nerve V.

A

Foramen Rotundum

33
Q

allows passage of the mandibular division of cranial nerve V.

A

Foramen Ovale

34
Q

allows passage of the middle meningeal artery.

A

Foramen Spinosum

35
Q

inferior view

A

Occipital

36
Q

supports the cerebellum

A

Posterior Cranial Fossa

37
Q

largest foramen of the skull, spinal cord passes through.

A

Foramen Magnum

38
Q

located on each lateral side of the foramen magnum

A

Occipital Condyles

39
Q

This is where C1 articulates.

A

Occipital Condyles

40
Q

Most bulging part of the posterior skull.

A

External Occipital Protuberance

41
Q

Keystone of the cranium; contributes to the middle cranial fossa and orbits

A

Sphenoid Bone

42
Q

forms the center of the sphenoid bone.

A

Body of the Sphenoid

43
Q

houses the pituitary gland

A

Hypophyseal Fossa of the Sella Turcica

44
Q

processes of the sphenoid bone

A

Lesser Wing, Greater Wing, and Pterygoid Process

45
Q

medial process, horn-like

A

Lesser Wing

46
Q

projects laterally

A

Greater Wing

47
Q

interior portion, which serves as an attachment for pterygoid muscles for chewing

A

Pterygoid Process

48
Q

Helps to form the anterior cranial fossa; forms part of the nasal septum and the lateral walls and roof of the nasal cavity; contributes to the medial wall of the orbit

A

Ethmoid Bone

49
Q

helps form the root of the nasal cavities and floor of the anterior cranial fossa

A

Cribriform Plate

50
Q

the dura matter, specifically the falx cerebri of the brain is attached to this structure to help secure the brain in the cranial cavity

A

Crista Galli

51
Q

inferior portion, which divides the nasal cavity from right to left.

A

Perpendicular Plate

52
Q

the lower jaw

A

Mandible

53
Q

Between each ramus and the body of mandible is a formed angle known as mandibular angle.

A

Paired Rami

54
Q

articulate with the temporal bones in the TMJ of the jaw.

A

Condylar Processes

55
Q

insertion points for the temporalis muscle

A

Coronoid Processes

56
Q

permit the inferior alveolar nerves to pass.

A

Mandibular Foramina

57
Q

allow blood vessels and nerves to pass to the chin and lower lip.

A

Mental Foramina

58
Q

Form the upper jaw and parts of the hard palate, orbits, and nasal cavity walls

A

Maxilla

59
Q

bony projection located at the midline of the maxilla (upper jaw) at the lower end of the nasal cavity.

A

Anterior Nasal Spine

60
Q

allows passage of the the infraorbital nerve to the skin of face.

A

Infraorbital Foramen

61
Q

Form the cheeks and part of the orbits

A

Zygoma

62
Q

articulations of zygoma

A

Maxilla, Frontal Bone, Temporal Bone

63
Q

Form the bridge of the nose

A

Nasal Bone

64
Q

articulations of nasal bone

A

Maxilla, Frontal Bone, Perpendicular Plate

65
Q

Form part of the medial orbit wall

A

Lacrimal Bone

66
Q

houses the lacrimal sac, which helps to drain the tears into the nasal cavity.

A

Lacrimal Fossa

67
Q

Form posterior part of the hard palate and a small part of nasal cavity and orbit walls

A

Palatine Bone

68
Q

medial fusion point of the horizontal plates of the palatine bones which form the posterior part of the hard palate.

A

Median Palatine Suture

69
Q

Inferior part of the nasal septum

A

Vomer

70
Q

Lateral walls of the nasal septum

A

Inferior Nasal Conchae

71
Q

is unique in that it is the only bone of the body that does not articulate directly with any other bone.

A

Hyoid Bone

72
Q

Three bones in the middle ear that are among the smallest bones in the human body.

A

Auditory Ossicles

73
Q

hammer

A

Malleus

74
Q

anvil

A

Incus

75
Q

stirrup

A

Stapes

Axial Bones (4 decks)

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