Test 2

The bones that form the longitudeinal axis of the body. Contains the skull, vertebral column, and bony thorax.

The bones of the limbs and gridles

Function of bones:

How many bones do adult have?

Dense bone that looks smooth and homogenous

Bone composed of small needlelike pieces of bone and lots of open space

Bone that is cube shaped and contain mostly spongy bone

Bone that is thin, flattened, and usually curved

Bones that don't fit anywhere else

Prebone is called?

The formation of bone

Bone-forming cells

Gaint bone-destroying cells in bones, to break down bone and release calcium ions into the blood

_____ releases PTH into the blood and activates osteoclasts

A break that does not penetrate the skin

Broken bone that penetrates through the skin

Fracture in which bone breraks into many fragments. Particularly common in the aged, whose bones are more brittle.

Fracture in which bone is crushed. Common in porous bones.

Fracture in which broken bone portion is pressed inward. Typical of skull fracture.

Fracture in which broken bone ends are forced into each other. Commonly occurs when one attempts to break a fall with outstretched arms.

Fracture in which ragged break occurs when exccessive twisting forces are appplied to a bone. Common in sport fractures

Fracture in which bone break incompletely. Common in children, whose bones are more flexible than those of adults

Four steps of bone fracture repair: