126 bones

•        consist of limbs and girdles that attach them to the axial skeleton

80 bones

• consist of skull, thorax and vertebral column

• support for the body & attach to soft tissue
• 93% made up of calcium

• Thin, rough parallel surface
• Ex: Cranial bones and sternum

Relatively long and slender

Ex: various bones of the limbs

Complex shapes

Ex: vertebrae, bones of pelvis, facial bones

small, flat and somewhat shape like a sesame seed

• Tendons of knee, hands and feet

small and boxy

Ex: wrist (carpals) and ankles (tarsals)

• canal or meatus
• process
• sinus
• foramen
• fissure

• head
• tubercle
• sulcus
• tuberosity
• diaphysis
• trochlea
• condyle

• trochanter
• neck
• facet
• head
• diaphysis
• condyle

• crest
• fossa
• line
• spine
• ramus

• mature bone cell that cannot divide

• produce new bony matrix

• stem cells that produce cells that differentiate into osteoblasts

• remove and remodel bone matrix