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FCLV,RRT(MIDTERM) > ANAPHY 3-B > Flashcards

ANAPHY 3-B Flashcards

1
Q

Two divisions OF skULL

A

A.Cranial bones (8)
B.Facial bones (14)

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2
Q

The eight bones of the cranium are divided into the

A

calvarium (skullcap) and the floor

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3
Q

Calvarium CONSISTS OF

A

FRONTAL
L PARIETAL
R PARIETAL
OCCIPITAL

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4
Q

two main parts of frontal bone

A

squamous or vertical portion
orbital or horizontal portion

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5
Q

forms the foreheaf

A

squamous

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6
Q

floor consists of

A

R Temporal
L Tempora
Sphenoid
Ethmoid

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7
Q

forms the superior part of the orbit

A

orbital

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8
Q

smooth, raised prominence between the eyebrows just above the bridge of the nose.

A

Glabella

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9
Q

parts of squamous portion

A

Glabella
supraorbital groove, margin, and notch
frontal tuberosity

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10
Q

slight depression above each eyebrow

A

Supraorbital groove

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11
Q

becomes an important landmark because it corresponds to the floor of the anterior fossa of the cranial vault, which is also at the level of the orbital plate or at the highest level of the facial bone mass.

A

Supraorbital groove

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12
Q

superior rim of each orbit.

A

Supraorbital margin

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13
Q

a small hole or opening within the SOM

A

Supraorbital notch (foramen)

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14
Q

larger rounded prominence located on each side of the squamous portion of the frontal bone above the SOG.

A

Frontal tuberosity (eminence)

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15
Q

parts of orbital portion

A

orbital plate
ethmoidal notch

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16
Q

forms the superior part of each orbit

A

Orbital plate

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17
Q

Below the orbital plates lie

A

facial bones,

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18
Q

above the orbital plates is the

A

anterior part of the floor of the brain case.

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19
Q

anterior part of the floor of the brain case.

A

Ethmoidal notch

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20
Q

The frontal bone articulates with four cranial bones:

A

PES
Right parietal bone * Sphenoid
* Left parietal bone * Ethmoid

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21
Q

frontal bone articulates with eight facial bones

A

MNLZ
Two maxillary bones * Two zygomatic bones
* Two nasal bones * Two lacrimal bones

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22
Q

The lateral walls of the cranium and part of the roof are formed by the

A

Parietal Bones

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23
Q

The widest portion of the entire skull is located between the

A

parietal tubercles (eminences)

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24
Q

are roughly square and have a concave internal surface.

A

Parietal Bones

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25
Q

parietal bone articulates with five cranial bones:

A

SOOpFT
frontal bone * Occipital bone
* Temporal bone * Sphenoid
* Opposite parietal bone

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26
Q

rounded part, external surface of the occipital bone. It forms most of the back of the head.

A

Squamous portion

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27
Q

bump at the inferoposterior portion of the skull.

A

External occipital protuberance (inion

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28
Q

a large opening at the base of the occipital bone through which the spinal cord passes as it leaves the brain.

A

Foramen magnum (great hole)

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29
Q

oval processes with convex surfaces, with one on each side of the foramen magnum.

A

Two lateral condylar portions (occipital condyles)

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30
Q

– two-part articulation between the skull and the cervical spine.

A

Atlanto-occipital joint

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31
Q

The occipital bone articulates with six bones:

A

PAST
Two parietal bones * Two temporal bones
* Sphenoid * Atlas (C1)

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32
Q

Complex structures that house the delicate organs of hearing and balance.

A

Temporal Bones

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33
Q

It is situated between the greater wing of the sphenoid bone anteriorly and the occipital bone posteriorly.

A

Temporal Bones

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34
Q

an arch of bone extending anteriorly from the squamous portion of the temporal bone.

A

Zygomatic process

35
Q

concave depression that receives the mandibular condyle of the jaw.

A

Temporomandibular fossa

36
Q

It is inferior to the zygomatic process and anterior to the EAM.

A

Temporomandibular fossa

37
Q

formed by the articulation of the mandibular condyle with the temoporomandibular fossa.

A

Temporomandibular joint

38
Q

a slender bony projection projecting inferior to the mandible and anterior to the EAM.

A

Styloid process

39
Q

a thin upper portion that forms part of the wall of the skull.

A

Squamous portion

40
Q

area posterior to the EAM with a prominent mastoid process.

A

Mastoid portion

41
Q

Petrous portion - also called as

A

petrous pyramid or pars petrosa

42
Q

houses the organs of hearing and equilibrium, including the mastoid air cells.

A

Petrous portion

43
Q

thickest and densest bone in the cranium.

A

Petrous portion

44
Q

upper border or ridge of the petrous pyramids. It corresponds to the level of TEA.

A

Petrous ridge (petrous apex)

45
Q

an opening or orifice near the center of the petrous pyramid on the posterior surface just superior to the jugular foramen

A

Internal acoustic meatus

46
Q

to transmit the nerves of hearing and equilibrium.

A

Internal acoustic meatus

47
Q

Each temporal bone articulates with three cranial bones:

A

SOP
* Parietal bone * Occipital bone
* Sphenoid

48
Q

Each temporal bone also articulates with two facial bones:

A

ZM
Zygoma * Mandible

49
Q

Anterior fontanel

50
Q

Posterior fontanel

51
Q

Right sphenoid fontanel

A

Right pterion

52
Q

Left sphenoid fontanel

A

Left pterion

53
Q

Right mastoid fontanel

A

Right asterion

54
Q

Left mastoid fontanel

A

Left asterion

55
Q

certain regions where sutures join are slower in their ossification, and these are called

A

fontanels.

56
Q

separates the frontal bone from the two parietal bones.

A

Coronal suture

57
Q

separates the two parietal bones in the midline.

A

Sagittal suture

58
Q

separates the two parietal bones from the occipital bone.

A

Lambdoidal suture

59
Q

formed by the inferior junctions of the two parietal bones with their respective temporal bones.

A

Squamosal sutures

60
Q

The articulations or joints of the cranium are called

61
Q

suture are classified as

A

fibrous joints.

62
Q

It lies primarily below the floor of the cranium.

A

Ethmoid Bone

63
Q

small upper horizontal portion of the bone that contains many small openings or foramina through which segmental branches of the olfactory nerves pass

A

Cribriform plate

64
Q

projecting superiorly from the cribriform plate

A

Crista galli (rooster’s comb)

65
Q

projecting downward in the midline which helps to form the bony nasal septum.

A

Perpendicular plate

66
Q

suspended from the undersurface of the cribriform plate on each side of the perpendicular plate.

A

Two lateral labyrinths (masses)

67
Q

contain the ethmoid air cells or sinuses and help to form the medial walls of the orbits and the lateral walls of the nasal cavity.

A

Two lateral labyrinths (masses)

68
Q

thin, scroll-shaped projections of bone that extend medially and downward from the medial wall of each labyrinth.

A

Superior and middle nasal conchae (turbinates)

69
Q

The ethmoid articulates with two cranial bones:

A

FS
* Frontal bone * Sphenoid

70
Q

Ethmoid also articulates with eleven facial bones:

A

alll Except mandible
Right & left maxillae * Right & left lacrimal bones
* Right & left nasal bones * Right & left palatine bones
* Right & left inferior nasal conchae * Vomer

71
Q

It forms the anchor for all eight cranial bones.

A

Sphenoid Bone

72
Q

Se protectslla turcica (Turkish saddle)

A

hypophysis cerebri or pituitary gland.

73
Q

central depression on the body that looks like a saddle from the side.

A

Sella turcica (Turkish saddle)

74
Q

the back of the saddle that is best seen on a lateral view.

A

Dorsum sellae

75
Q

a shallow depression that begins on the posteroinferior aspect of the dorsum sellae of the sphenoid bone and extends posteriorly to the foramen magnum at the base of the occipital bone.

76
Q

smaller pair, triangular and are nearly horizontal, ending medially in the two anterior clinoid processes

A

Lesser wings

77
Q

extend laterally from the sides of the body and form a portion of the floor of the cranium and a portion of the sides of the cranium.

A

Greater wings

78
Q

Three pairs of small openings or foramina in the greater wings:

A

a.Foramen rotundum
b.Foramen ovale
c.Foramen spinosum

79
Q

– irregular shaped openings, slightly lateral and posterior to the optic foramina on each side.

A

Superior orbital fissures

80
Q

small hooklike processes

A

Pterygoid hamuli

81
Q

sphenoid articulates with

A

all seven of the other cranial bones.

82
Q

Sphenoid also articulates with five facial bones:

A

PVZ
Right & left palatine * Right & left zygoma
* Vomer

FCLV,RRT(MIDTERM) (14 decks)

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