Axial Skeleton Flashcards
(119 cards)
1
Q
forehead
A
frontal bone
2
Q
superior ridge of the eye socket
A
supraorbital margin
3
Q
the ridge of the eye socket, indicating the location of the frontal sinus
A
superciliary arch
4
Q
triangular part on the forehead
A
glabella
5
Q
cavity within frontal bone
A
frontal sinus
6
Q
pair flat bone on superior portion of skull
A
parietal bone
7
Q
runs between frontal and parietal bones
A
coronal suture
8
Q
runs between parietal bones
A
sagittal suture
9
Q
paired bone on lateral side of skull
A
temporal bone
10
Q
runs between temporal bone and parietal bone
A
squamous suture
11
Q
articulates with condylar process of mandible
A
mandibular fossa
12
Q
articulation of the mandibular fossa and condylar process
A
temporomandibular joint
13
Q
opening in the temporal bone extending to inner ear
A
external auditory meatus
14
Q
dense bony ridge on interior surface of temporal bone, location of middle and inner ear cavities
A
petrous part
15
Q
short canal in petrous part of the temporal bone, extending laterally towards the inner ear
A
internal auditory meatus
16
Q
long sharp process of the temporal bone extending inferiorly, like a stylus
A
styloid process
17
Q
rounded process of the temporal bone posterior to the styloid process and extending inferiorly
A
mastoid process
18
Q
located between the styloid and mastoid processes, passageway for facial nerve
A
stylomastoid foramen
19
Q
located on petrous part of the temporal bone anterior to the jugular foramen, anterior to mastoid and styloid process
A
carotid canal
20
Q
located on inferior petrous part of the temporal bone posterior to the carotid canal
A
jugular foramen
21
Q
arch of bone extending anteriorly from the temporal bone
A
zygomatic process
22
Q
paired bone which participates with the zygomatic process, cheek bones
A
zygomatic bone
23
Q
arch of bone extending posteriorly from the zygomatic bone
A
temporal process
24
Q
formed by union of the zygomatic bone and zygomatic process of temporal bone
A
zygomatic arch
25
most posterior and inferior bone of the skull
occipital bone
26
runs transversely joining the occipital and parietal bone
lambdoid suture
27
median protrusion on the occipital bone posterior and superior to foreman magnum
external occipital protuberance
28
runs horizontally from external occipital protuberance
superior nuchal line
29
diagonal extension of the superior nugal line towards the mastoid process
lateral superior nuchal line
30
large opening on the inferior part of the skull
foramen magnum
31
paired rounded process lateral to the foramen magnum
occipital condyle
32
paired canal superior to occipital condyle
hypoglossal canal
33
region of the occipital bone anterior to foramen magnum,
basilar part
34
butterfly-shaped bone forming the floor of the cranium
sphenoid bone
35
posterior and inferior to lesser wing on interior of the skull, also visible in the posterior orbit and lateral side of the skull
greater wing
36
anterior and superior to greater wing on the interior skull
lesser wing
37
fissure between greater and lesser wings of sphenoid visible from the orbits, upper fissure
superior orbital fissure
38
fissure in the orbit floor between maxilla and greater wing of sphenoid, lower fissure
inferior orbital fissure
39
saddle-like depression posterior to lesser wing
sella turcica
40
paired cavity located within the sphenoid, inferior to the sella turcica
sphenoid sinus
41
paired opening through lesser wing of the sphenoid
optic canal
42
paired opening at the posterior margin of the sphenoid
foramen spinosum
43
paired opening lateral to the base of the sella turcica
foramen ovale
44
paired opening lateral to the sella turcica
foramen lacerum
45
paired opening anterior to the foramen ovale
foramen rotundum
46
sharp process that laterally and inferiorly project from the sphenoid
lateral pterygoid plate
47
sharp process that medially and inferiorly projects from the sphenoid
medial pterygoid plate
48
irregular bone with a cranial suture surrounding it
sutural bone
49
located between the orbits and between sphenoid and nasal bones, forms roof of nasal cavity
ethmoid bone
50
superior projection on the middle of the cribriform plate
crista galli
51
porous bone surrounding the crista galli in the floor of the cranium through which olfactory nerves pass
cribriform plate
52
numerous cavities within the ethmoid bone
ethmoid sinus
53
median inferior projection of the ethmoid, forms superior nasal septum
perpendicular plate
54
bone forming the inferior and posterior portion of the nasal septum
vomer
55
paired internal openings of the nasal cavity on either side of the vomer
choanae
56
bone that protrudes into the inferior part of the nasal cavity, also known as the inferior turbinate bone
inferior nasal concha
57
posterior bone of the hard palate
palatine bone
58
paired fused bone of the upper jaw and central face
maxilla
59
paired cavity found within the maxilla
maxillary sinus
60
paired opening inferior to the orbit
infraorbital foramen
61
anterior portion of the hard palate
palatine process
62
bony portion of the roof of the mouth, includes palatine bone and palatine process of the of the maxilla bone
hard palate
63
paired bone composing the superior portion (bridge) of the nose
nasal bone
64
paired bone forming part of the medial wall of the orbit
lacrimal bone
65
opening in the lacrimal bone
nasolacrimal canal
66
lower jaw
mandible
67
most anterior part extending horizontally to the angle of the mandible
body
68
where the body and ramus of the madible meet
angle
69
vertical portion of the mandible extending from the angle
ramus
70
anterior process of the ramus
coronoid process
71
the most posterior process of the ramus of mandible, which contributes to the temporomandibular joint
condylar process
72
separates the coronoid from the condylar process
mandibular notch
73
paired opening on the medial surface of the ramus
mandibular foramen
74
protrusion in the center of the chin indicating fusion of the two mandibular bodies
mental protuberance
75
socket lined with connective tissue in which a tooth is fastened
alveolus
76
projection of the maxilla and mandible where tooth sockets are located
alveolar margin
77
U-shaped bone in the neck superior to the larynx
hyoid bone
78
fibrocartilage cushions between the vertebral bodies
intervertebral disc
79
basic bone unit of the vertebral column
vertebra
80
anterior portion of the vertebra
body
81
opening posterior to vertebral body through which the spinal cord passes
vertebral foramen
82
posterior projection from vertebral body that supports the lamina
pedicle
83
lateral projections of the vertebra for muscle/ligament attachment
transverse process
84
paired arches supported by the pedicles located posterior to the vertebral body
lamina
85
most posterior projection of the vertebra for muscle/ligament attachement
spinous process
86
paired (superior and inferior) process which articulates with process of adjacent vertebrae
articular process
87
smooth surface of articular process
articular facet
88
Total 7, neck region, smalles vertebrae
cervical vertebrae
89
paired opening on the transverse process
transverse foramen
90
C1 supports head
atlas
91
C2 serves as pivotal point for atlas and skull
axis
92
process of the axis which passes through the vertebral foramen of the atlas
dens
93
Total 12, vertebrae that connect to ribs, articular facets face forward, not towards each other
Thoracic vertebrae
94
depression on transverse process, articulates with the tubercle of the ribs
costal facet
95
half facet on superior and inferior edges of each vertebral body, articulates with head of ribs
costal demifacet
96
Total 5, biggest vertebrae, articular facets face inward towards each other.
Lumbar vertebrae
97
Total 5 fused vertebrae forming posterior wall of pelvis
sacrum
98
lateral part that articulates with the os coxa through the sacroilac joint of pelvis
auricular surface
99
fused posterior spinous process of sacral vertebrae
median sacral crest
100
openings on the posterior side of the sacrum
posterior sacral foramina
101
openings on the anterior side of the sacrum
anterior sacral foramina
102
4 fused vertebrae forming the triangular "tail bone"
coccyx
103
anterior midline anchor for the ribs, composed of three bones
sternum
104
superior portion of the sternum that articulates with the clavicle at its clavicular notch
manubrium
105
important anatomical landmark located in the superior portion of the manubrium
jugular notch
106
middle portion of the sternum that articulates with T2-T7 cartilage
body
107
paired site on the sternum for attachment of costal cartilage
costal notch
108
small inferior portion of the sternum
xiphoid process
109
connective tissue that connects the ribs and the sternum
costal cartilage
110
12 pairs (24 total)
ribs
111
7 of these ribs, attach to T1-T7
true ribs
112
5 of these, all attach indirectly to the sternum also connected to T8-T12
false ribs
113
2 of these, do not attach to sternum at all, T11-T12
floating ribs
114
rounded part of rib which articulates with the costal demifacet on the body of the thoracic vertebrae
head
115
region between the head and the tubercle of the rib
neck
116
prominence near the head of the rib which articulates with the costal facet located on the transverse processes of thoracic vertebrae
tubercle
117
curved portion of the rib
angle
118
elongated part of the rib associated anteriorly with costal cartilage
shaft
119
groove on the inferior side of the rib shaft
costal groove
