AXIAL Flashcards

(94 cards)

1
Q

skull bones, with a few exceptions, are connected by immovable joints called

A

sutures

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2
Q

what suture are found between the occipital and parietal bones

A

lambdoid suture

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3
Q

suture that are between the parietal bone

A

sagittal suture

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4
Q

suture that are between the frontal and parietal bones

A

coronal suture

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5
Q

between the parietal and temporal bones

A

squamous suture

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6
Q

between the frontal and nasal bones

A

frontonasal suture

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7
Q

bones that contribute to the superior and lateral surface of the cranium

A

parietal bones

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8
Q

part of the frontal bone that underlies the forehead

A

frontal part

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9
Q

suture between the frontal bones that usually disappears by age 8

A

frontal metopic suture

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10
Q

edge of the frontal part that forms the superior border of the orbits

A

supraorbital margin

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11
Q

opening or notch in the middle of the supraorbital margin

A

supraorbital foramen or notch

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12
Q

thickened ridges over the supraorbital margins that supports the eyebrows

A

superciliary arches

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13
Q

part that forms the roof of the orbit

A

orbital part

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14
Q

depression on the inferior surface of the orbital part that accommodates the lacrimal gland

A

lacrimal fossa

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15
Q

bones that contribute to the lateral and inferior walls of the cranium

A

temporal bones

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16
Q

temporal bone are divided into three parts

A

squamous part
zygomatic process
mandibular fossa

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17
Q

forms the cheekbone

A

zygomatic process

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18
Q

elevation anterior to the mandibular fossa

A

articular tubercle

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19
Q

this part is the region that surrounds the external acoustic meatus or external auditory canal. this passage way ends as a tympanic membrane

A

tympanic part

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20
Q

largest most massive part of the temporal bone that houses the senses of hearing and balance.

A

petrous part

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21
Q
A
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22
Q

bulge posterior and inferior to the external acoustic meatues. contains mastoid sinuses

A

mastoid process

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23
Q

sharp access near the mastoid process to which ligaments and tendons attach

A

styloid process

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24
Q

opening between the base of the styloid and mastoid processes through which the facial nerve passes

A

stylomastoid foramen

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25
depression on the temporal bone that together with the jugular notch of the occiptal bone forms the jugular foramen
jugular fossa
26
passageway by which the internal carotid artery penetrates the skull and reaches the brain
carotinal canal
27
jagged opening between the temporal and occipital bones. this is not an opening in the living skull as it is closed by hyaline cartilage
foramen lacerum
28
canal on the medial side of the petrous part though which nerves and vessels supplying the inner ear and the facial nerve pass
internal acoustic meatus
29
complex bone articulate with every other cranial bone. hidden by more superficial bones
sphenoid
30
prominent feature of the sphenoid body
sella turcica
31
sella turcica other name
turkish saddle
32
forms a bony enclosure around the pituitary gland
sella turcica
33
depression in which the pituitary gland rests
hypophyseal fossa
34
other name of hypophyseal fossa
seat of saddle
35
anterior border of the sella turcica
tuberculum sellae
36
other name of tuberculum sellae
horn of saddle
37
groove directly anterior to the tuberculum sellae
optic groove
38
openings at either end of the topic groove through which the optic nerves pass
optic canals
39
posterior border of the sella turcica
back of saddle
40
other name of back of saddle
dorsum sellae
41
large wing like processes that extend laterally from the body. the greater wings act as a brace that strengthens the sides of the skull
greater wings
42
irregular slit like opening between the lesser and greater wings.
superior orbital fissures
43
the greater wings near their attachment to the body have the following openings
foramen rotundum foramen ovale foramen spinosum
44
a round opening
foramen rotundum
45
an oval opening
foramen ovale
46
opening where the greater wings from a sharp proceds called the sphenoidal spine
foramen spinosum
47
these processes form plates that permit thr muscle attachment. pterygoid canals are present at the base of these processes
pterygoid processws
48
irregular bone forms part of the orbital complex, floor of the cranium, roof of the nasal cavity, part of the nasal septum
ethmoid bone
49
features of ethmoid bone
cribriform plate crista galli lateral masses superior nasal conchae and middle nasal conchae ethmoidal labyrinth perpendicular plate
50
superior surface of the ethmoid perforated by olfactory foramina through which the olfactory nerves pass
cribriform plate
51
prominent ridge in the middle of the cribriform plate and an attachment point for the falx cerebri
crista galli
52
entire bony masses attached on either side of the cribriform plate
lateral masses
53
lateral masses include
superior nasal conchae and middle nasal conchae ethmoidal labyrint perpendicular plate
54
scroll like medial projections into the nasal cavity
superior nasal conchae and middle nasal conchae
55
cells in the interior of the lateral masses that open into the nasal cavity
ethmoidal labyrinth
56
bony partition underneath the cribriform plate that forms part of the nasal septum
perpendicular plate
57
the levels of cranial fossae
anterior cranial fossa middle cranial fossa posterion cranial fossa
58
the largest of the facial bones forms together the
upper jaw
59
horseshoe shaped oral margin that contains the teeth
alveolar processes
60
jagged slit like ooening between maxilla and sphenoid in the orbit
inferior orbital fissure
61
opening that penetrates the orbital rim
infraorbital foramen
62
largest sinus in the skull. lightens the maxilla superior to the teeth and produces mucus that drains into the nasal cavity
maxillary sinus
63
horizontal processes forms the hard plate
palatine process
64
openings through the palatine process behind the central incisors front teeth
inclusive canals
65
these bones are small and L shaped bones. it has a horizontal plate and perpendicular plate.
palatine bones
66
opening between the horizontal plate and palatine process of maxilla
greater palatine foramen
67
smaller openings behind the greater palatine foramen
lesser palatine foramen
68
small paired bones that articulate with frontal bones and frontal processes of maxillae
nasal bones
69
paired scroll like bones on the lateral wallof the nasal cavity
inferior nasal conchae
70
zygomatic bones form the lateral rim of the orbit
zygomatic bones
71
smallest bone of the skull located in the medial wall of the orbit
lacrimal bones
72
bone that forms the inferior portion of the nasal septum
vomer
73
forms the lower jaw.
mandible
74
processes that form the temporomandibular joint TMJ with the temporal bone
condylar processes
75
process on which the temporalis muscle inserts
coronoid processes
76
depression. egween the corinoid and condylar process
mandibular notch
77
openings for nerves and the blood vessels for the lower lip and chin
mental foramina
78
how many bones does facial bones have
14
79
n of nasal
2
80
lacrimal
2
81
palatine
2
82
inferior nasal concha
2
83
zygomatic 2
84
maxilla
2
85
mandible 1
86
vomer
1
87
88
2 rami is seperated by
mandibular notch
89
elevates the lower jaw during chewing
coronoid processes
90
forming the floor of the mouth, elevates tongue and mouth during swallowing
mylohyoid muscles
91
how many is the cranial bones
8
92
93
The facial bones (1) form the framework of the face, (2) contain cavities for the special sense organs of sight, taste, and smell, (3) provide openings for air and food passage, (4) secure the teeth, and (5) anchor the facial muscles of expression
purpose of cranial bones
94