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Skeletal System Lab 6, Axial Skeleton Orange = axial skeleton Yellow = appendicular skeleton

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Cranial Bones 1 = frontal bone 2 = parietal bone 3 = occipital bone 4 = temporal bone 10 = sphenoid bone 23 = coronal suture 28 = squamosal suture 1 2 3 4 23 28 10

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2 2 3 Cranial Bones 2 = parietal bones 3 = occipital bone 24 = sagittal suture 25 = lambdoidal suture 24 25

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3 4 4 5 5 Cranial Bones 3 = occipital bone 4 = temporal bones 5 = sphenoid bone Inferior view of skull

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3 4 4 2 2 5 6 1 Cranial Bones 1 = frontal bone 2 = parietal bones 3 = occipital bone 4 = temporal bones 5 = sphenoid bone 5a = sella turcica (of sphenoid bone) 6 = ethmoid bone 6a = crista galli (of ethmoid bone) 6b = cribriform plate (of ethmoid bone) Interior view of skull 5a a b

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Parts of occipital bone 19 = occipital condyles 20 = foramen magnum 20 19

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lateral view of skull Parts of temporal bones 4 = temporal bone 5 = mastoid process 6 = zygomatic process 7 = external acoustic meatus 8 = styloid process 5 6 7 8

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Parts of temporal bones 4 = temporal bone 5 = mastoid process 6 = zygomatic process 7 = external acoustic meatus 8 = styloid process 9 = mandibular fossa 55 6 6 8 8 9 9

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10 11 Parts of temporal bones 10 = carotid canal 11 = jugular foramen

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11 Parts of temporal bones 11 = jugular foramen Parts of sphenoid bone 12 = sella turcica 12 14 13 Parts of ethmoid bone 14 = crista galli 13 = cribriform plate Parts of occipital bone 20 = foramen magnum 20

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11 12 13 14 15 16 Facial bones 10 = sphenoid bone* 11 = zygomatic bone 12 = nasal bone 13 = maxilla 14 = lacrimal bone 15 = ethmoid bone* 16 = mandible 10 *cranial bones

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Facial bones 11 = zygomatic bones 12 = nasal bones 13 = maxilla 16 = mandible 17 = inferior nasal conchae 13 16 12 11 13 17

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Facial bones 13 = maxilla 13a = palatine process of maxilla 17 = palatine bones 18 = vomer 13a 17 18 13

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41 6a 6b 36 32 5 = sphenoid bone 5a = superior orbital fissure 5 5a Parts of Facial bones 17 = inferior nasal concha 32 = mental foramen 36 = alveolar process 41 = infraorbital foramen 42 = supraorbital notch 6a = perpendicular plate of ethmoid bone 6b = middle nasal concha of ethmoid bone 17 42

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40 32 11a Parts of Facial bones 11 = zygomatic bone 11a = temporal process of zygomatic bone 32 = mental foramen 40 = lacrimal foramen 11

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11a 32 33 34 35 36 Parts of Facial bones 11 = zygomatic bone 11a = temporal process 32 = mental foramen 33 = mandibular condyle 34 = coronoid process 35 = ramus 36 = angle

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3334 35 36 Parts of mandible 32 = mental foramen 33 = mandibular condyle 34 = coronoid process 35 = ramus 36 = angle 32

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Fetal skull 1 = anterior fontanel 3 = sphenoid fontanel

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Fetal skull 1 = anterior fontanel 2 = posterior fontanel 3 = sphenoid fontanel 4 = mastoid fontanel 2

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hyoid bone

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Cervical Vertebrae = 7 Thoracic Vertebrae = 12 Lumbar Vertebrae = 5 sacrum & coccyx

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Atlas, C1Axis, C2 dens

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1 = Body 2 = Transverse Processes 3 = Pedicles 4 = Lamina 5 = Superior Articulating Processes 5 = Spine 6 = Vertebral Foramen 7 = Transverse Foramen Cervical vertebra

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1 = Body3 = Pedicle 4 = Lamella5 = Transverse Processes 6 = Spine7 = Superior Articulating Processes 8 = Vertebral Foramen9 = inferior notch 10 = inferior articulating process 9 10 thoracic vertebra

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1 = Body2 = Pedicle 3 = Lamella4 = superior articulating processes 5 = Transverse Processes6 = Spine 7 = Vertebral Foramen8 = inferior articulating process 8 lumbar vertebra

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Sacrum and coccyx Posterior viewAnterior view

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1 = Manubrium 2 = Body 3 = Xiphoid Process 4 = Costal Cartilage 5 = Sternal Angle 7 = Jugular notch 8 = Clavicular notch Ribs 1-7 = True Ribs 8-12 = False Ribs 11-12 = False Floating Sternum

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1 = Head 2 = Neck 3 = Tubercle 5 = Body

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1.Lamella rings 2.Osteon 3.Central Canal 4.Lacuna with osteocyte 5.Periosteum 6.Perforating Canal 7.Endosteum Not labelled: canaliculi Compact Bone Model