Chicken Bones!

Reduction

Closed

Open

Reduction

http://videosift.com/video/Heal-how-broken-bones-are-repaired-medical-animation

Repair of Bone

Hematoma Formation (blood-filled swelling)

Fibrocartilage callus formation

Bony callus formation

Bone remodeling

Repair of Bone

Hematoma

Externalcallus

Bonycallus ofspongybone

Healedfracture

Newbloodvessels

Internalcallus(fibroustissue andcartilage)

Spongybonetrabecula

Hematomaformation

Fibrocartilagecallus formation

Bony callusformation

Bone remodeling

The Axial Skeleton

Forms the longitudinal axis of the body

Divided into three parts Skull Vertebral column Bony thorax

The Skull

Two sets of bones Cranium Facial bones

The Skull

Bones are joined by sutures

Only the mandible is attached by a freely movable joint

Cranial Bones

Frontal bone Parietal bone Temporal bone Occipital bone Sphenoid bone Ethmoid bone

Cranium

Facial Bones

Maxillae

Palatine bones

Zygomatic bones

Lacrimal bones

Nasal bones

Vomer bone

Inferior Nasal Conchae

Mandible

Facial Bones

Superior View

Inferior View

Lateral View

Paranasal Sinuses

Hollow portions of bones surrounding the nasal cavity

Functions: Lighten the skull Give resonance

and amplification to voice

Paranasal Sinuses

Paranasal Sinuses

Hyoid Bone

The only bone that does not articulate with another bone

Serves as a moveable base for the tongue

Aids in swallowing and speech

Hyoid Bone

Hyoid Bone