Biology 223 - Lab 2: Axial Skeleton

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148 Terms

1

Process

Name this term:

A natural outgrowth, projection, or appendage

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2

Condyle

Name this term:

Smooth, rounded articular process

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3

Facet

Name this term:

Small, flat articular surface

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4

Fossa

Name this term:

Shallow depression

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5

Sulcus

Name this term:

Narrow groove

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6

Foramen (plural: foramina)

Name this term:

Round passageway

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7

Canal (meatus)

Name this term:

Passageway through the substance of a bone

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8

Fissure

Name this term:

Elongated cleft

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9

Sinus

Name this term:

Chamber within bone

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10

Lambdoid suture

Separates occipital bone and parietal bone

<p>Separates occipital bone and parietal bone</p>
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11

Coronal suture

Separates parietal and frontal bone

<p>Separates parietal and frontal bone</p>
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12

Sagittal suture

Divides the two parietal bones from each other

<p>Divides the two parietal bones from each other</p>
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13

Squamous suture

Separates other bones from temporal bones

<p>Separates other bones from temporal bones</p>
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14

Frontal bone

knowt flashcard image
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15

Frontal sinus

(Red dots on model) Spaced filled chamber

<p>(Red dots on model) Spaced filled chamber</p>
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16

Lacrimal fossa

Superolateral (above and toward the side) depression within eye socket

<p>Superolateral (above and toward the side) depression within eye socket</p>
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17

Supra-orbital margin

Thickening above eye sockets; eyebrows

<p>Thickening above eye sockets; eyebrows</p>
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18

Supra-orbital foramen (or notch)

Small groove at superior and medial margin of the orbit in the frontal bone

<p>Small groove at superior and medial margin of the orbit in the frontal bone</p>
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19

Parietal bones (2)

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20

Occipital bone

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21

External occipital protuberance

Point of the occipital bone (outside view of skull)

<p>Point of the occipital bone (outside view of skull)</p>
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22

Internal occipital protuberance

Point of the occipital bone (inside view of skull)

<p>Point of the occipital bone (inside view of skull)</p>
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23

External occipital crest

Bridge leading to foramen magnum (outside view of skull)

<p>Bridge leading to foramen magnum (outside view of skull)</p>
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24

Internal occipital crest

Bridge leading to foramen magnum (inside view of skull)

<p>Bridge leading to foramen magnum (inside view of skull)</p>
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25

Occipital condyles

Either side of foramen magnum

<p>Either side of foramen magnum</p>
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26

Foramen magnum

Hole connecting cranial to spinal cord

<p>Hole connecting cranial to spinal cord</p>
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27

Jugular foramen

Holes just outside occipital condyles

<p>Holes just outside occipital condyles</p>
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28

Hypoglossal canal

Hole that goes through condyles

<p>Hole that goes through condyles</p>
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29

Temporal bones (2)

knowt flashcard image
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30

Zygomatic process of temporal bone

Left half of zygomatic arch; before the suture

<p>Left half of zygomatic arch; before the suture</p>
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31

Zygomatic arch

Arch above mandible; Cheek bone

<p>Arch above mandible; Cheek bone</p>
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32

Mandibular fossa

Point where mandible attaches to temporal bone ("Gel like structure on model)

<p>Point where mandible attaches to temporal bone ("Gel like structure on model)</p>
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33

Mastoid process

Bottom part of the temporal bone closest to the occipital bone; Where the ear would be

<p>Bottom part of the temporal bone closest to the occipital bone; Where the ear would be</p>
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34

Styloid process of temporal bone

Stiletto like coming from mastoid process; point

<p>Stiletto like coming from mastoid process; point</p>
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35

Squamous part

Lower portion; "valleys"; smooth part around mountains

<p>Lower portion; "valleys"; smooth part around mountains</p>
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36

Petrous part

Higher portion; "mountains"

<p>Higher portion; "mountains"</p>
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37

Temporal fossa

Depression that includes 4 bones; "rubbing your temples"

<p>Depression that includes 4 bones; "rubbing your temples"</p>
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38

External acoustic canal

Right behind mandibular fossa

<p>Right behind mandibular fossa</p>
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39

Internal acoustic canal

Shallow hole the side of the petrous part; "cave in the mountain"

<p>Shallow hole the side of the petrous part; "cave in the mountain"</p>
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40

Carotid canal

Circular hole; medial to styloid process; stick needle through hypoglossal canal & it will point to this

<p>Circular hole; medial to styloid process; stick needle through hypoglossal canal &amp; it will point to this</p>
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41

Foramen lacerum

Holes closest to center line

<p>Holes closest to center line</p>
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42

Stylomastoid foramen

Holes between styloid and mastoid process

<p>Holes between styloid and mastoid process</p>
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43

Sphenoid (or sphenoidal bone)

"Pterodactyl"

<p>"Pterodactyl"</p>
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44

Body of sphenoid

center; portion of sphenoid that does not include wings

<p>center; portion of sphenoid that does not include wings</p>
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45

Sella turcica

"seat"

<p>"seat"</p>
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46

Sphenoidal sinuses

Red dots deep to sphenoid

<p>Red dots deep to sphenoid</p>
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47

Lesser wings

"handle bars"; on top of the greater wings

<p>"handle bars"; on top of the greater wings</p>
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48

Greater wings

big wings on the sides; below lesser wings

<p>big wings on the sides; below lesser wings</p>
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49

Pterygoid processes

"legs"

<p>"legs"</p>
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50

Optic canal

Most medial hole in the eye socket

<p>Most medial hole in the eye socket</p>
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51

Superior orbital fissure

large hole next to optic canal

<p>large hole next to optic canal</p>
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52

Foramen rotundum

Above the foramen ovale; hiding

<p>Above the foramen ovale; hiding</p>
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53

Foramen ovale

A bigger looking oval; before the foramen spinosum

<p>A bigger looking oval; before the foramen spinosum</p>
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54

Foramen spinosum

smallest hole after the foramen ovale

<p>smallest hole after the foramen ovale</p>
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55

Hypophyseal fossa

only the depression

<p>only the depression</p>
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56

Ethmoid bone (Ethmoidal bone)

unpaired bone in the skull that separates the nasal cavity from the brain.

<p>unpaired bone in the skull that separates the nasal cavity from the brain.</p>
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57

Cribriform plate

The colored structure that includes the olfactory foramina.

<p>The colored structure that includes the olfactory foramina.</p>
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58

Crista galli

Ridge on top cribriform plate

<p>Ridge on top cribriform plate</p>
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59

Superior nasal conchae

only on one model (more yellowish model); can see from the inside

<p>only on one model (more yellowish model); can see from the inside</p>
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60

Middle nasal conchae

in the nasal cavity; in most models you can only see this one

<p>in the nasal cavity; in most models you can only see this one</p>
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61

Perpendicular plate

Middle line between superior and inferior conchae

<p>Middle line between superior and inferior conchae</p>
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62

Olfactory foramina

Holes in cribriform plate
(the green dots on the pic)

<p>Holes in cribriform plate<br>(the green dots on the pic)</p>
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63

Maxillary bones (Maxillae; 2)

knowt flashcard image
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64

Orbital rim

Bottom ridge of eye-socket

<p>Bottom ridge of eye-socket</p>
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65

Anterior nasal spine

Point just below the nose hole

<p>Point just below the nose hole</p>
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66

Alveolar process

Ridges where the teeth fit in; "gums"

<p>Ridges where the teeth fit in; "gums"</p>
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67

Palatine processes

Upper/frontal region of roof of mouth; closer to front teeth

<p>Upper/frontal region of roof of mouth; closer to front teeth</p>
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68

Maxillary sinuses

Red dots above teeth

<p>Red dots above teeth</p>
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69

Nasolacrimal canal

Runs through the eye socket to the nose; more infront

<p>Runs through the eye socket to the nose; more infront</p>
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70

Infra-orbital foramina

Outside, just below eye socket, small holes on cheek bones

<p>Outside, just below eye socket, small holes on cheek bones</p>
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71

Inferior orbital fissure

Large gap in the bottom of eye socket; below superior

<p>Large gap in the bottom of eye socket; below superior</p>
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72

Mandible

<b>Entire Structure</b>

Jawbone

<p><b>Entire Structure</b><br><br>Jawbone</p>
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73

Body of mandible

Chin portion, where you can hold onto the mandible

<p>Chin portion, where you can hold onto the mandible</p>
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74

Mental protuberance

Bump in front of your chin

<p>Bump in front of your chin</p>
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75

Ramus of mandible

Back part of mandible where 2 divots are

<p>Back part of mandible where 2 divots are</p>
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76

Condylar process of mandible

Back attachment; by the ear; connects to the ramus

<p>Back attachment; by the ear; connects to the ramus</p>
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77

Coronoid process of mandible

Front attachment; towards the teeth; "where a corona would hit first"

<p>Front attachment; towards the teeth; "where a corona would hit first"</p>
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78

Mental foramina

Holes on side of the body of mandible (outside)

<p>Holes on side of the body of mandible (outside)</p>
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79

Mandibular notch

Separates the condylar and coronoid processes

<p>Separates the condylar and coronoid processes</p>
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80

Mandibular foramen

Holes on the inside part of ramus

<p>Holes on the inside part of ramus</p>
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81

Zygomatic bones (2)

knowt flashcard image
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82

Temporal process of zygomatic bone

Connects to the temporal bone; infront of zygomatic arch

<p>Connects to the temporal bone; infront of zygomatic arch</p>
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83

Palatine bones (2)

Lower part of the roof of the mouth; towards molars

<p>Lower part of the roof of the mouth; towards molars</p>
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84

Nasal bones (2)

knowt flashcard image
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85

Vomer

Below perpendicular plate

<p>Below perpendicular plate</p>
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86

Inferior nasal conchae (2)

Below middle nasal conchae

<p>Below middle nasal conchae</p>
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87

Lacrimal bones (2)

Medial portion of the eye socket

<p>Medial portion of the eye socket</p>
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88

Lacrimal sulcus

depression leading to the nasolacrimal canal

<p>depression leading to the nasolacrimal canal</p>
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89

Hyoid bone

Neck bone

<p>Neck bone</p>
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90

Body of hyoid

Part you can grab; central mass

<p>Part you can grab; central mass</p>
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91

Lesser horns of hyoid

Smaller projections

<p>Smaller projections</p>
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92

Greater horns of hyoid

Bigger horns in back

<p>Bigger horns in back</p>
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93

Anterior fontanelle

On top of the skull; pink spot

<p>On top of the skull; pink spot</p>
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94

Occipital fontanelle

Above the occipital bone

<p>Above the occipital bone</p>
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95

Sphenoidal fontanelle

Near temporal fossa (where 4 bones connect)

<p>Near temporal fossa (where 4 bones connect)</p>
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96

Mastoid fontanelle

Near Mastoid process; where ear would be

<p>Near Mastoid process; where ear would be</p>
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97

12

How many Thoracic vertebrae do humans have?

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98

5

How many Lumbar vertebrae do humans have?

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99

7

How many Cervical vertebrae do humans have?

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100

Vertebral body (or centrum)

Base, carries weight of spine

<p>Base, carries weight of spine</p>
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