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 External callus Bony callus of spongy bone Healed fracture New blood vessels Internal callus (fibrous tissue and cartilage) Spongy bone trabecula Hematoma formation Fibrocartilage callus formation Bony callus formation 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