Bones of the Axial Skeleton Agenda:. Parts of the Skeletal System Axial skeleton –Skull, vertebral...

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Transcript of Bones of the Axial Skeleton Agenda:. Parts of the Skeletal System Axial skeleton –Skull, vertebral...

• Bones of the Axial Skeleton

Agenda:

Parts of the Skeletal System

• Axial skeleton– Skull, vertebral column, ribs

• Appendicular skeleton– Upper & lower limb bones,

pectoral & pelvic girdles

Bones of the Cranium

Frontal View

Frontal

Frontal View

Parietal

Frontal View

Temporal

Frontal View

Nasal

Frontal View

Vomer

Frontal View

Zygomatic

Frontal View

Maxilla

Frontal View

Mandible

Frontal View

FrontalParietal

Temporal

Zygomatic

Nasal

Vomer

Maxilla

Mandible

Frontal View

Lateral View

Frontal

Lateral View

Parietal

Lateral View

Temporal

Lateral View

Nasal

Lateral View

Zygomatic

Lateral View

Maxilla

Lateral View

Mandible

Lateral View

Sphenoid

Lateral View

Occipital

Lateral View

Mastoid Process(on temporal bone)

Lateral View

External Auditory Canal

Lateral View

A few more bones …

Ethmoid bone

Another look at ethmoid

Hyoid bone

Palatine bone

Special Features

External auditory canal

Mastoid process

Styloid process

Frontal

Nasal

ZygomaMaxilla

Mandible

Parietal

Sphenoid

Temporal

Occipital

External Auditory Canal

Mastoid Process

Lateral View

Sutures = boundaries between bones

Sagittal

Sutures

Frontal(Coronal)

Sutures

Squamous

Sutures

Lambdoidal

Sutures

Frontal(Coronal)

Sagittal

Squamous

Lambdoidal

Sutures

Skulls of Infants & Children

Fibrous areas between bones = fontaneles

• Skull Clickable:

• http://www.gwc.maricopa.edu/class/bio201/skull/antskul.htm