Presentation Transcript
Skeletal System/Basic Bones/Joint types :Skeletal System/Basic Bones/Joint types A. Bone Structure
1. Hard cells and a rigid matrix gives bone strength and shape connective tissue structure called the periosteum covers every bone and provides vessels for nutrition.
2. Oppositional growth of new bone and matrix remodeling of existing bone matrix are responsible for shaping bones.
Skeletal Bone Cont. :Skeletal Bone Cont. B. Classification of bones
1. Flat bones
Examples: the ribs and the skull
2. Long bones
Recognized by a long hollow shaft or diaphysis, and at least two epiphysis, ex. Femur and ulna.
3. Irregular bones
Two or more forms within the the same bone structure, ex. vertebrae