minggu 2 amali sistem rangka 2
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Lab Activity 8
Axial Skeleton
Martini Chapter 7
Portland Community CollegeBI 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
• 5 Vertebra• L1-L5• Concave Posterior
Sacral Spine
• 5 Fused Vertebra• “Sacrum”
Coccyx
• 4 Fused Vertebra
Intervertebral Foraminae
Intervertebral Disk
Annulus Fibrosus
(Fibrocartilage)
Nucleus Pulposus
Cervical Vertebrae (C3-C7)
BODY
VertebralForamen
Cervical Vertebrae (C3-C7)
Bifid Spinous Process
Cervical Vertebrae (C3-C7)
Transverse Processes
Transverse Foramen
Cervical Vertebrae (C3-C7)
Superior Articular Facet
Superior Articular Process
Cervical Vertebrae (C3-C7)
Vertebral Arch
Cervical Vertebrae C1: Atlas
Superior Articular Facet
Cervical Vertebrae C2: Axis
Odontoid Process (Dens)
Cervical VertebraeC1 & C2 Joined Together
Thoracic Vertebrae
Spinous Process
Thoracic Vertebrae
Costal Facets on the Transverse Process (for rib attachment)
Lumbar Vertebrae
BODY
Sacrum
5 Fused Vertebrae
Sacrum
Sacral Promontory
Sacrum
Sacral Foramina
Sacroiliac Joints
Coccyx
4 Rudimentary Vertebrae
Hyoid Bone
Greater HornLesser Horn
BODY
Sternum Manubrium
Body
Xiphoid Process
Sternal Angle
Ribs 1-7: True Ribs
Ribs 8-10: False Ribs
Ribs 11 & 12: Floating Ribs
Ribs
Ribs Attached to Thoracic Vertebrae
Costovertebral Angle
Frontal BoneFrontal Bone
Frontal Bone
Supraorbital ridge
Frontal BoneFrontal Sinus
Parietal Bone
Parietal Bone
Parietal Bone
Parietal Bone
Temporal Bone
Temporal Bone
Temporal Bone
Temporal Bone
Temporal Bone
Temporal Bone
Mastoid Process
Zygomatic Arch
Mandibular fossa
External Acoustic Meatus
Styloid Process
Temporal Bone
Jugular Foramen
Carotid Canal
Occipital Bone
Occipital Bone
External occipitalprotuberance
Occipital Condyles
Foramen Magnum
Sphenoid BoneLesser Wing
Greater Wing
Pterygoid Process
Medial Pterygoid Plate
Lateral Pterygoid Plate
Sphenoid Bone Sphenoidal Sinus
Pterygoid Process
Sphenoid Bone
Greater Wing
Lesser Wing
Sella Turcica
SphenoidBone
Hypophyseal Fossa
Dorsum Sella
Ethmoid Bone
Crista Galli
Perpendicular Plate
Ethmoid Bone
Perpendicular Plate
Middle NasalConchae
Ethmoid Bone
Cribriform Plate
Perpendicular Plate
Cristae Galli
CraniumFloor
Anterior Cranial Fossa
Middle Cranial Fossa
PosteriorCranial Fossa
Sagittal Suture
Parietal Bone
(Right)
Parietal Bone(Left)
Frontal Bone
Occipital Bone
Between the Right and Left Parietal bones
Coronal Suture
Between the Parietal bones and the Frontal Bone
Parietal Bone Frontal Bone
TemporalBone
Occipital Bone
Squamous Suture
Between the Parietal bone and the Temporal Bone
Parietal Bone Frontal Bone
TemporalBone
Occipital Bone
Lambdoid Suture
Between the Parietal bones and the Occipital Bone
Parietal Bone Frontal Bone
TemporalBone
Occipital Bone
Wormian (Sutural) Bones
Small islands of bone that fill gaps in sutures.
Present in varying amounts
Fetal Skull
Fetal SkullSuperior View
Orbit
MaxillaHard Palate
Mandible
Body
Ramus
Coronoid ProcessMandibular
Condyle
AngleMental Foramen
Alveolar Process
Mandible
Mylohyoid Line Mandibular Foramen
Palatine Bone
Vomer
Zygomatic Bone
Temporal Process
Zygomatic Arch
Facial Bones
Facial Bones
Perpendicular Plate (Ethmoid)
Middle NasalConchae (Ethmoid)
Inferior Nasal Conchae
Vomer
Sinuses FrontalEthmoid Air Cells
MaxillarySphenoidal
The End
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