Skeletal System Vocab Words
Terms in this set (14)
All of the bones in an organism. Provides structure, support and protection.
Located inside of body. Ex.: vertebrates
Also known as exoskeleton. Hard outer covering that provides structure, support, protection. Ex.: insects, lobsters
Area where two bones meet. Most provide for movement; include fluid for lubrication and cartilage for protection. Ligaments hold bones together.
Smooth, slippery substance. Provides cushion, protection for bones in joints; prevents the bones from wearing against each other. Provides some structure in nose and ear. Provides flexibility in rib cage.
Strong connective tissue fibers that hold bones together.
Strong connective tissue fibers that hold muscle to bone.
Thick, slippery liquid that provides lubrication in joints.
All of the bones in the body, together with the ligaments and cartilage.
Thin, tough, smooth layer around outside of bone. Provides protection and attachment point for muscles.
Solid, dense layer around outer surfaces of bones.
Highly porous regions of bone inside layer of compact bone; observed in ends of long bones (femur, etc.) and inside flat bones, like ribs. Holes are filled with fat cells, marrow, etc. Spongy bone is porous, but not squishy like a sponge!
Squishy, fatty tissue found in centers of long bones. Primary site of blood cell production.
Bone disease resulting in weak or misshapen bones. Caused by vitamin D deficiency - insufficient exposure to sunlight.