Chapter 7 The Axial Skeleton.

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Presentation transcript:

Chapter 7 The Axial Skeleton

Axial Appendicular

Divisions of the Skeletal System

Types of Bones-Shapes

Anterior view of the Skull

Right lateral view of the Skull

Midsaggital view of Skull

Posterior view of Skull

Inferior view of Skull

Base of the Skull-Sphenoid bone

Anterior view of Sphenoid bone

Base of the Skull-Ethmoid bone

Ethmoid Bone-different views

Ethmoid Bone-position in the skull

The Nasal Septum 1. Perpendicular plate of ethmoid 2. Vomer 3. Septal cartilage

The orbit-eyesocket

The paranasal sinuses

Cranial development-Fontanels-”soft spots”

Mandible-lower jawbone

Hyoid Bone Supports the tongue Does not articulate with any other bone Provides attachment points for tongue muscles, neck and pharynx muscles Often fractured by strangulation

The Vertibral Column

Developmental curves in the Vertibral Column

Intervertibral Disks

Vertibral Structure-Thoracic

Cervical Vertibrae

The Atlas-Cervical 1

The Axis-Cervical 2

Typical Cervical Vertibrae

Thoracic Vertibrae

Thoracic Vertibrae

Thoracic Vertibrae

Lumbar Vertibrae

Lumbar Vertibrae

Lumbar Vertibrae

Sacrum and Coccyx

The Thorax

The Ribs

The Ribs

The Ribs-vertibral articulation

Herniated Disk

END of Chapter 7

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