BioL 348 Exam Questions with Correct Answers
Five primary functions of the skeletal system
1. Support
2. Storage
3. Blood Cell Production
4. Protection
5. Leverage
Skeletal system Includes
Bones and associated cartilages
Ligaments
Bone tissue
Dense, supportive connective Tissue
Contains specialized cells
Produces Solid matrix of calcium salt deposits
Around collagen
Composition of the Bone matrix
Organic components of the bone
- Cells, collagen fibers, ground substance
Inorganic components
- Hydroxyapatite
Cells of Bone
, Osteoprogenitor cells
Osteoblasts
Osteocytes
Osteoclasts
Osteoprovenitor Cells
Mesenchymal stem cells in endosteum and periosteum
Osteoblasts
Secrete Osteoid
Osteocytes
Maintain matrix and detect mechanical stress on a bone
Osteoclasts
Large, multinuclear cells
Secretes hydrochloric and enzyme that dissolve matrix
types of bone
Compact and spongy
Compact bone
Solid, relatively dense
External surfaces of long and flat bones
Perforating canals - perpendicular
Spongy bone
Five primary functions of the skeletal system
1. Support
2. Storage
3. Blood Cell Production
4. Protection
5. Leverage
Skeletal system Includes
Bones and associated cartilages
Ligaments
Bone tissue
Dense, supportive connective Tissue
Contains specialized cells
Produces Solid matrix of calcium salt deposits
Around collagen
Composition of the Bone matrix
Organic components of the bone
- Cells, collagen fibers, ground substance
Inorganic components
- Hydroxyapatite
Cells of Bone
, Osteoprogenitor cells
Osteoblasts
Osteocytes
Osteoclasts
Osteoprovenitor Cells
Mesenchymal stem cells in endosteum and periosteum
Osteoblasts
Secrete Osteoid
Osteocytes
Maintain matrix and detect mechanical stress on a bone
Osteoclasts
Large, multinuclear cells
Secretes hydrochloric and enzyme that dissolve matrix
types of bone
Compact and spongy
Compact bone
Solid, relatively dense
External surfaces of long and flat bones
Perforating canals - perpendicular
Spongy bone
