Axial Skeleton Bones and Processes Practical- BIOL 124 GMU

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1

frontal

the large cranial bone forming the front part of the cranium: the forehead and the upper part of the orbits

<p>the large cranial bone forming the front part of the cranium: the forehead and the upper part of the orbits</p>
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2

parietal

either of two skull bones between the frontal and occipital bones and forming the top and sides of the cranium

<p>either of two skull bones between the frontal and occipital bones and forming the top and sides of the cranium</p>
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3

temporal

a thick bone forming the side of the human cranium and encasing the inner ear

<p>a thick bone forming the side of the human cranium and encasing the inner ear</p>
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4

external acoustic meatus

the entrance to the ear canal

<p>the entrance to the ear canal</p>
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5

styloid process

extends from the base of the temporal bone

<p>extends from the base of the temporal bone</p>
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6

zygomatic process

a slender process of the temporal bone that strengthens the zygomatic arch

<p>a slender process of the temporal bone that strengthens the zygomatic arch</p>
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7

mastoid process

process of the temporal bone behind the ear at the base of the skull

<p>process of the temporal bone behind the ear at the base of the skull</p>
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8

occipital bone

a saucer-shaped membrane bone that forms the back of the skull

<p>a saucer-shaped membrane bone that forms the back of the skull</p>
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9

foramen magnum

the large opening at the base of the cranium through which the spinal cord passes

<p>the large opening at the base of the cranium through which the spinal cord passes</p>
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10

occipital condyle

Rounded projections lateral to the foramen magnum that articulate with the first cervical vertebra (atlas)

<p>Rounded projections lateral to the foramen magnum that articulate with the first cervical vertebra (atlas)</p>
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11

sphenoid

butterfly-shaped bone at the base of the skull

<p>butterfly-shaped bone at the base of the skull</p>
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12

sella turcica

depression in sphenoid bone that holds pituitary gland

<p>depression in sphenoid bone that holds pituitary gland</p>
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13

ethmoid

one of the eight bones of the cranium

<p>one of the eight bones of the cranium</p>
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14

maxilla

upper jaw bone

<p>upper jaw bone</p>
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15

palatine

either of two irregularly shaped bones that form the back of the hard palate and helps to form the nasal cavity and the floor of the orbits

<p>either of two irregularly shaped bones that form the back of the hard palate and helps to form the nasal cavity and the floor of the orbits</p>
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16

zygomatic

the arch of bone beneath the eye that forms the prominence of the cheek

<p>the arch of bone beneath the eye that forms the prominence of the cheek</p>
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17

lacrimal

small fragile bone making up part of the front inner walls of each eye socket and providing room for the passage of the lacrimal ducts

<p>small fragile bone making up part of the front inner walls of each eye socket and providing room for the passage of the lacrimal ducts</p>
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18

nasal

an elongated rectangular bone that forms the bridge of the nose

<p>an elongated rectangular bone that forms the bridge of the nose</p>
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19

vomer

thin trapezoidal bone of the skull forming the posterior and inferior parts of the nasal septum

<p>thin trapezoidal bone of the skull forming the posterior and inferior parts of the nasal septum</p>
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20

inferior nasal conchae

paired, curved bones in the nasal cavity that form part of the lateral walls of the nasal cavity

<p>paired, curved bones in the nasal cavity that form part of the lateral walls of the nasal cavity</p>
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21

mandible

lower jaw bone

<p>lower jaw bone</p>
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22

hyoid

a U-shaped bone at the base of the tongue that supports the tongue muscles

<p>a U-shaped bone at the base of the tongue that supports the tongue muscles</p>
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23

cervical vertebrae

vertebrae of the neck region- 7

<p>vertebrae of the neck region- 7</p>
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24

transverse foramina

only found in the cervical vertebrae and allow passage of the vertabral artery, vein, and nerve

<p>only found in the cervical vertebrae and allow passage of the vertabral artery, vein, and nerve</p>
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25

vertebral foramen

Canal through which spinal cord passes

<p>Canal through which spinal cord passes</p>
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26

transverse process

one of two processes that extend from each vertebra and provide the point of articulation for the ribs

<p>one of two processes that extend from each vertebra and provide the point of articulation for the ribs</p>
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27

spinous process

A slender projection from the back of a vertebra to which muscles and ligaments are attached

<p>A slender projection from the back of a vertebra to which muscles and ligaments are attached</p>
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28

atlas

C1; top vertebrae located between the bottom of the skull and C2

<p>C1; top vertebrae located between the bottom of the skull and C2</p>
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29

axis

C2; second vertebrae from the top, located between the C1 and C3

<p>C2; second vertebrae from the top, located between the C1 and C3</p>
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30

dens

Cranial projection of the axis that fits into the atlas

<p>Cranial projection of the axis that fits into the atlas</p>
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31

thoracic vertebrae

second set of 12 vertebrae; they articulate with the 12 pairs of ribs to form the outward curve of the spine

<p>second set of 12 vertebrae; they articulate with the 12 pairs of ribs to form the outward curve of the spine</p>
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32

lumbar vertebrae

vertebrae of the lower back region- large body- 5

<p>vertebrae of the lower back region- large body- 5</p>
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33

sacrum

wedge-shaped bone consisting of five fused vertebrae forming the posterior part of the pelvis

<p>wedge-shaped bone consisting of five fused vertebrae forming the posterior part of the pelvis</p>
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34

coccyx

the end of the vertebral column in humans and tailless apes -3-5 fused vertebra

<p>the end of the vertebral column in humans and tailless apes -3-5 fused vertebra</p>
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35

sternum

the flat bone that articulates with the clavicles and the first seven pairs of ribs

<p>the flat bone that articulates with the clavicles and the first seven pairs of ribs</p>
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36

manubrium

upper portion of the sternum

<p>upper portion of the sternum</p>
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37

xiphoid process

lower, narrow portion of the sternum

<p>lower, narrow portion of the sternum</p>
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38

jugular notch

Notch in top center of manubrium of sternum

<p>Notch in top center of manubrium of sternum</p>
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39

true ribs

top 7 pairs of ribs that attach directly to the sternum by costal cartilage

<p>top 7 pairs of ribs that attach directly to the sternum by costal cartilage</p>
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40

false ribs

last 5 pairs of ribs; attach indirectly to sternum

<p>last 5 pairs of ribs; attach indirectly to sternum</p>
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41

floating ribs

last two pairs of ribs; do not attach to sternum

<p>last two pairs of ribs; do not attach to sternum</p>
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42

mandibular fossa

the depression in the temporal bone into which the condyle of the mandible fits

<p>the depression in the temporal bone into which the condyle of the mandible fits</p>
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43

crista galli

ethmoid bone landmark

<p>ethmoid bone landmark</p>
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44

perpendicular plate

forms superior part of nasal septum

<p>forms superior part of nasal septum</p>
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45

middle nasal conchae

scroll-like projections on each lateral wall of nasal cavity

<p>scroll-like projections on each lateral wall of nasal cavity</p>
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46

Greater wings of sphenoid of the cranium

project laterally from the sphenoid body, forming parts of the middle cranial fossa and the orbits

<p>project laterally from the sphenoid body, forming parts of the middle cranial fossa and the orbits</p>
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47

Lesser wings of sphenoid of the cranium

form part of the floor of the anterior cranial fossa and part of the orbit

<p>form part of the floor of the anterior cranial fossa and part of the orbit</p>
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48

coronal suture

the suture between the parietal and frontal bones of the skull

<p>the suture between the parietal and frontal bones of the skull</p>
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49

lamboid suture (bony anatomy of cranium)

the suture between the occipital and parietal bones

<p>the suture between the occipital and parietal bones</p>
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50

saggital suture

separates the left and right parietal bone

<p>separates the left and right parietal bone</p>
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51

squamous suture

Between parietal and temporal bones

<p>Between parietal and temporal bones</p>
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52

alveolar processes

sockets for teeth

<p>sockets for teeth</p>
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53

body of mandible

the horizontal portion of the lower jaw

<p>the horizontal portion of the lower jaw</p>
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54

mandibular angle

posterior point at which ramus meets the body

<p>posterior point at which ramus meets the body</p>
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55

ramus of mandible

vertical part of mandible

<p>vertical part of mandible</p>
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56

mental foramina (foramen)

hole in mandible

<p>hole in mandible</p>
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57

mandibular condyle

Articulation point of the mandible with the mandibular fossa of the temporal bone

<p>Articulation point of the mandible with the mandibular fossa of the temporal bone</p>
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58

coronoid process of mandible

temporalis insertion

<p>temporalis insertion</p>
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59

mandibular notch

mandible curve

<p>mandible curve</p>
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60

palatine bones (facial)

mark up part of the roof on the mouth

<p>mark up part of the roof on the mouth</p>
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61

frontal sinus

cavity within the frontal bone

<p>cavity within the frontal bone</p>
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62

sphenoid sinus

sinus above and behind the nose

<p>sinus above and behind the nose</p>
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63

ethmoid sinus

Mucosa lined air spaces located above the Sphenoid Sinus and below the frontal sinus.

<p>Mucosa lined air spaces located above the Sphenoid Sinus and below the frontal sinus.</p>
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64

maxillary sinus

largest paranasl sinus; pyramidal; on cheek bone lateral to nasal bone

<p>largest paranasl sinus; pyramidal; on cheek bone lateral to nasal bone</p>
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65

body of vertebrae

the thick, disc-shaped anterior portion which is the weight bearing portion

<p>the thick, disc-shaped anterior portion which is the weight bearing portion</p>
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66

articular surface of the sacrum

lateral part that articulates with the os coxae

<p>lateral part that articulates with the os coxae</p>
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67

body of sternum

the bony structure that forms the middle portion of the sternum

<p>the bony structure that forms the middle portion of the sternum</p>
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68

head of rib

Articulates with the costal facet of a thoracic vertebral body.

<p>Articulates with the costal facet of a thoracic vertebral body.</p>
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69

tubercle of rib

small bump on the posterior side of a rib for articulation with the transverse process of a thoracic vertebra

<p>small bump on the posterior side of a rib for articulation with the transverse process of a thoracic vertebra</p>
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70

costal cartilage

connects ribs to sternum

<p>connects ribs to sternum</p>
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71

temporomandibular joint

connection on either side of the head between the temporal bone of the skull and mandibular bone of the jaw

<p>connection on either side of the head between the temporal bone of the skull and mandibular bone of the jaw</p>
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