Chapter 7- Bones and bone tissue Flashcards
Bone functions
Shape Support Protection Movement Electrolyte balance Blood production Acid base balance
Long bones
Longer than they are wide
Femur and humerus
Flat bones
Thin and flat
Protect organs
Skull ribs breast bones
Irregular bones
Various sizes and shapes
Sesamoid bones
Vertebrae and knee
Short bones
As broad as they are long
Carpals and tarsals
Ossification
The creation of a new bone
Articular cartilage
Then layer of Hyline cartilage covering the surface of the epiphysis
Intramembraneous ossification
Process in the fetus whereby fiberous connective tissue evolves into bone
Epiphyseal plate
Layer of cartilage separating Ephesus from the diaphysis at each end of a long bone
Endochondral officication
Process in the fetus when cartilagenius Skelton transforms into bone
Epiphysis
The head of each long bone
Medullary cavity
The central Hollow portion of a long term that contains bone marrow
Most childrens bins consist of what type of marrow
Red bone marrow
Adults have yellow
Diaphysis
The central shaft like portion of a long bone
Yellow bone marrow
Bone marrow that is rich in fat
Red bone marrow
Bone marrow charged with producing red blood cells
Endosteum
The epithelial membrane line in the inside of the medullary cavity
Osteoblast
Bone forming cell
Periosteum
Dense fibrous membrane covering the diaphysis
Osteoclast
Bone cells that dissolve old or unhealthy bone
Tensile strength
The ability to resist stretching forces
Collagen fibers
Osteocyte
Mature osteoblast
Torsional strength
The ability to resist twisting forces
Characteristics the bones lack
Compressional strength
The ability to resist squeezing forces
Calcium salts