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Lab Activity 8. Axial Skeleton Martini Chapter 7. Portland Community College BI 231. Axial Skeleton. Skull Spine Thoracic Cage Hyoid bone. Cervical Spine. 7 Vertebra C1-C7 Concave Posterior. Thoracic Spine. 12 Vertebra T1-T12 Convex Posterior Attach to the ribs. Lumbar Spine.

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lab activity 8

Lab Activity 8

Axial Skeleton

Martini Chapter 7

Portland Community College

BI 231

axial skeleton
Axial Skeleton
  • Skull
  • Spine
  • Thoracic Cage
  • Hyoid bone
cervical spine
Cervical Spine
  • 7 Vertebra
  • C1-C7
  • Concave Posterior
thoracic spine
Thoracic Spine
  • 12 Vertebra
  • T1-T12
  • Convex Posterior
  • Attach to the ribs
lumbar spine
Lumbar Spine
  • 5 Vertebra
  • L1-L5
  • Concave Posterior
sacral spine
Sacral Spine
  • 5 Fused Vertebra
  • “Sacrum”
coccyx
Coccyx
  • 4 Fused Vertebra
annulus fibrosus
Annulus Fibrosus

(Fibrocartilage)

cervical vertebrae c3 c7
Cervical Vertebrae (C3-C7)

VertebralForamen

BODY

cervical vertebrae c3 c71
Cervical Vertebrae (C3-C7)

Bifid Spinous Process

cervical vertebrae c3 c72
Cervical Vertebrae (C3-C7)

Transverse

Processes

Transverse Foramen

cervical vertebrae c3 c73
Cervical Vertebrae (C3-C7)

Superior Articular Process

Superior Articular Facet

cervical vertebrae c1 atlas
Cervical Vertebrae C1: Atlas

Superior Articular Facet

cervical vertebrae c2 axis
Cervical Vertebrae C2: Axis

Odontoid Process (Dens)

thoracic vertebrae
Thoracic Vertebrae

Spinous Process

thoracic vertebrae1
Thoracic Vertebrae

Costal Facets on the Transverse Process (for rib attachment)

sacrum
Sacrum

5 Fused Vertebrae

sacrum1
Sacrum

Sacral Promontory

sacrum2
Sacrum

Sacral Foramina

coccyx1
Coccyx

4 Rudimentary Vertebrae

hyoid bone
Hyoid Bone

Greater Horn

Lesser Horn

BODY

sternum
Sternum

Manubrium

Sternal Angle

Body

Xiphoid Process

frontal bone

Supraorbital ridge

Frontal Bone

Frontal Bone

Frontal Bone

frontal bone1
Frontal Bone

Frontal Sinus

parietal bone
Parietal Bone

Parietal Bone

parietal bone1
Parietal Bone

Parietal Bone

temporal bone
Temporal Bone

Temporal Bone

temporal bone1
Temporal Bone

Temporal Bone

Temporal Bone

temporal bone2
Temporal Bone

External Acoustic Meatus

Zygomatic Arch

Mastoid Process

Mandibular fossa

Styloid Process

temporal bone3
Temporal Bone

Carotid Canal

Jugular Foramen

occipital bone1
Occipital Bone

Occipital Condyles

Foramen Magnum

External occipital

protuberance

sphenoid bone
Sphenoid Bone

Lesser Wing

Greater Wing

Pterygoid Process

Lateral Pterygoid Plate

Medial Pterygoid Plate

sphenoid bone1
Sphenoid Bone

Sphenoidal Sinus

Pterygoid Process

sphenoid bone2
Sphenoid Bone

Lesser Wing

Greater Wing

Sella Turcica

sphenoid bone3
SphenoidBone

Hypophyseal Fossa

Dorsum Sella

ethmoid bone
Ethmoid Bone

Crista Galli

Perpendicular

Plate

ethmoid bone1
Ethmoid Bone

Middle NasalConchae

Perpendicular Plate

ethmoid bone2
Ethmoid Bone

Cristae Galli

Cribriform

Plate

Perpendicular Plate

cranium floor
CraniumFloor

Anterior Cranial Fossa

Middle Cranial Fossa

PosteriorCranial Fossa

sagittal suture
Sagittal Suture

Occipital

Bone

Between the Right and Left Parietal bones

Parietal

Bone

(Right)

Parietal

Bone

(Left)

Frontal

Bone

coronal suture
Coronal Suture

Parietal Bone

Frontal

Bone

Between the Parietal bones and the Frontal Bone

Temporal

Bone

Occipital

Bone

squamous suture
Squamous Suture

Parietal Bone

Frontal

Bone

Between the Parietal bone and the Temporal Bone

Temporal

Bone

Occipital

Bone

lambdoid suture
Lambdoid Suture

Parietal Bone

Frontal

Bone

Between the Parietal bones and the Occipital Bone

Temporal

Bone

Occipital

Bone

wormian sutural bones
Wormian (Sutural) Bones

Small islands of bone that fill gaps in sutures.

Present in varying amounts

maxilla
Maxilla

Hard Palate

mandible
Mandible

Coronoid Process

Mandibular

Condyle

Alveolar Process

Ramus

Angle

Mental Foramen

Body

mandible1
Mandible

Mandibular

Foramen

Mylohyoid Line

zygomatic bone
Zygomatic Bone

Temporal Process

Zygomatic Arch

facial bones1
Facial Bones

Middle NasalConchae (Ethmoid)

Inferior Nasal Conchae

Perpendicular Plate (Ethmoid)

Vomer

sinuses
Sinuses

Ethmoid Air Cells

Frontal

Sphenoidal

Maxillary

the end
The End

The End

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