Bone Disorders
What are the three major bone disorders?
Osteomalacia, Rickets, Osteoporosis, Paget’s Disease
What is Ossification?
The process of bone tissue forming or bone growing.
How many named bones are in the body ?
206
Are bones organs and if they are why?
Yes because they contain different types of tissues
What are the 3 types of Skeletal Cartilage?
What is the affect of Osteomalacia?
Bones are poorly mineralized
How many main steps are in Ossification?
Five
What two groups are the skeleton divided in called?
Axial and Appendicular
What are the 3 levels of structure of bone?
Gross, Microscopic, and Chemical
What 2 ways do Cartilage grow?
Appositional growth and Interstitial growth
What is Osteoporosis?
Group of diseases in which bone resorption exceeds deposit.
Matrix remains normal, but bone mass declines.
What dictates and regulates bone growth?
Hormones
Where can short bone be found?
Wrist , Ankle
What is compact bone?
The dense outer layer on the the bone that appears smooth and solid
What is a function of Bone?
Support, protection, movement, mineral and growth factor storage, fat storage, hematopoiesis, or osteocalcin secretion
What is Rickets?
Bone ends are enlarged and abnormally long resulting in bowed legs and other bone deformities
What creates thickness around bone?
Periosteum
Where can irregular bones be found?
Vertebrae and hip
A type of bone that is found at the ends of long bones and has a sponge-like structure
Spongy Bone
Where can you find flat bone?
Sternum, ribs, most skull bones
What is Paget’s Disease?
Excessive and haphazard bone deposit and resorption cause bone to grow fast and develop poorly
Define Osteoclasts and one function.
Multimembrane that gobbles up bone and one function of osteoclasts is resorption.
Where do sesamoid bones form and what is an example?
They form within tendons and an example would be the patella
Tubular shaft that forms long axis of bone.
Diaphysis
Torn blood vessels hemorrhage, forming mass of clotted blood called a?
Hematoma