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skull or bony skeleton of the head Flashcards

1
Q

part of the skull that surrounds and form the protective housing for the brain

A

CEREBRAL CRANIUM

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2
Q

also called the brain case

A

CEREBRAL CRANIUM

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3
Q

composed of 8 bones

A

CEREBRAL CRANIUM

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4
Q

rest on the superior end of the vertebral column

A

SKULL

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5
Q

also called cranium or calvaria

A

SKULL

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6
Q

composed of 22 bones

A

SKULL

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7
Q

the skull bones are made up of external and internal tables od compact bone separated by a layer of spongy bone called

A

DIPLOE

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8
Q

covering the outer and inner surfaces of the skull

A

PERIOSTEUM

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9
Q

outer later

A

PERICRANIUM

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10
Q

inner layer

A

ENDOCRANIUM

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11
Q

is a canal that leads to the eardrum and the middle ear

A

EXTERNAL ACOUSTIC MEATUS

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12
Q

a sharp, needle like projection, is just inferior to the external auditory meatus

A

STYLOID PROCESS

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13
Q

is a thin bridge of bone that joins with the cheekbone anteriorly

A

ZYGOMATIC PROCESS

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14
Q

which is full of air cavities, is rough projection posterior and interior to the external acoustic meatus

A

MASTOID PROCESS

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15
Q

at the junction of the occipital and temporal bones, allows passage of the jugular vein, the largest vein of the head, which drains blood from the brain

A

JUGULAR FORAMEN

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16
Q

the bones of the skull that exclusively cover and protect the brain

A

CALVARIUM

SKULL CAP

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17
Q

upper part of the cranium

A

1 FRONTAL BONE
2 PARIETAL BONES
1 OCCIPITAL BONE

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18
Q

lowest part of the cranium or floor of the skull

A

2 TEMPORAL BONES
1SPHENOID BONE
1 ETHMOID BONE

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19
Q

contributes t othe shape and a form of a person’s face

A

VISCERAL CRANIUM

THE FACIAL BONES

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20
Q

forms the protective housing for the eyes, upper ends of the respiratory and digestive tracts

A

VISCERAL CRANIUM

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21
Q

composed of 14 bones

A

VISCERAL CRANIUM

THE FACIAL BONES

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22
Q

the 14 bones of visceral cranium

A

2 MAXILLARY BONES
2 ZYGOMATIC BONES
2 NASAL BONES
2 LACRIMAL BONES
2 PALATINE BONES
1 VOMER
2INFERIOR NASAL CONCHAE
1 MANDIBLE

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23
Q

L- shaped bone; form the posterior 1/4 of the roof of the mouth; forms the posterior portion of the hard palate

A

PALATINE BONE

24
Q

forms the dorsal part of the lateral wall od the nasal cavity

A

VERTICAL PLATE

25
Q

extends medially from the inferior part of the vertical plate to meet the horizontal plate of the other palatine

A

HORIZONTAL PLATE

26
Q

forms the upper jaw; keystone of the face

A

MAXILLARY BONES

27
Q

failure to fuse medially results in cleft palate

A

PALATINE BONES

28
Q

referred as cheekbone; also form a good-sized portion of the lateral walls of the orbits or eye socktes

A

ZYGOMATIC BONES

29
Q

fingernail-sized; groove serve as passageway for lacrima(teat)

A

LACRIMAL BONES

30
Q

joints of cranium belong in the class of joints termed

31
Q

since sutures are immovable joint they are called

A

SYNARTHRODIAL

32
Q

separates the frontal bone from the two parietals

A

CORONAL SUTURE

33
Q

separates the two parietal bone

A

SAGITTAL SUTURE

34
Q

separates the 2 parietal from the occipital

A

LAMBDOIDAL SUTURE

35
Q

formed by the junction of each parietal and the temporal bone

A

SQUAMOSAL SUTURE

36
Q

rounded external surface forms the most back portion of the skull; it curves forward to help

A

OCCIPITAL BONE (SQUAMOUS PART)

37
Q

prominent bump at the forms the most back inferior posterior portion of the skull portion of the head; also called inion

A

EXTERNAL OCCIPITAL PROTUBERANCE

38
Q

prominence on the internal surface of the squamous part opposite the inion

A

INTERNAL OCCIPITAL PROTUBERANCE

39
Q

largest of the immovable bone of the face

A

MAXILLARY BONE

40
Q

2nd largest facial bone; also called the upper jaw bone; the keystone in the architecture of the face

A

MAXILLARY BONE

41
Q

assist in the formation of 3 cavities

A

MOUTH
NASAL CAVITY
ORBIT

42
Q

large hole, in the base of the occipital bone is a large opening called

A

FORAMEN MAGNUM A

43
Q

butterfly-shaped bone

A

SPHENOID BONE

44
Q

small depression that form a snug enclosure for the pitutary gland

A

SELLA TURCICA

TURK’S SADDLE

45
Q

small “U” shaped bone situated ate the base of the tongue

A

HYOID BONE

46
Q

the only bone in the body that does not articulate with any other bone

A

HYOID BONE

47
Q

means plowshare

48
Q

thin triangular shaped bone that forms the inferoposterior part of the nasal septum

49
Q

in fetal skull, it is a soft spots; largest diamond- shaped

A

ANTERIOR FONTANELE

50
Q

form the superior bony wall(nose bridge) lies anteriorly and superior to the frontal process of the maxilla and just inferior to the frontal bone

A

NASAL BONE

51
Q

point of junction of the two nasal bones

52
Q

the word tear means

53
Q

form a part of the medial wall of the orbit; smallest bone of the face

A

LACRIMAL BONE

54
Q

closely associated with the tear ducts

A

LACRIMAL BONE

55
Q

thin curved bones; filters the air that enters the lungs

A

INFERIOR NASAL CONCHAE

56
Q

forms the chin

A

BODY OF MANDIBLE

Skeletal system (6 decks)

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