Zusammenfassung der Ressource
Bone and Skeletal Tissues
- Skeletal Cartilages
- Chondrocytes housed in lacunae in extracellular matrix
- Large Amounts of water
- lacks nerve fibers
- Avascular
- Surrounded by fibrous perichondrium
- Hyaline
- Appear glassy
- Collagenous fibers
- Most abundant skeletal cartilages
- Flexible and resilient
- Articular, costal, respiratory and nasal cartilages
- Elastic
- abundant elastic fibers w collagen fibers
- flexible
- Outer ear and epiglottis
- Fibrocartilages
- Thick collagen fibers
- most compressible cartilages
- resist stretching
- intervertebral discs and knee joint cartilages
- Classification of Bones
- Long Bones
- Short Bones
- Flat Bones
- Irregular Bones
- Functions of Bones
- Support
- Protection
- Movement: Levers
- Mineral and growth factor storage
- Blood cell formation: Hematopoieses (red marrow)
- Triglyceride storage
- Hormone production: osteocalcin
- Bone Structure
- Gross anatomy
- Compact Bone
- Spongy Bone
- Shaft
- Epiphyses
- Diaphyses
- Periosteum
- Endosteum
- Nutrient Foramina
- Red marrow
- Yellow marrow
- Markings
- Microscopic anatomy
- Osteogenic Cells: Osteoprogenitor cells
- Osteoblasts
- Osteocyte
- Osteoclast
- Osteon
- Lamella
- Canals, Canaliculi
- Lacunae
- Chemical composition
- Organic: Cells
- Inorganic: mineral salts: hydroxyapatites
- Bone Development
- Remodeling and Repair
- Homeostatic Imbalances
- Bone Markings