Bone and Skeletal Tissues - created from Mind Map

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Skeletal Cartilages

Chondrocytes housed in lacunae in extracellular matrix

Hyaline

Elastic

Fibrocartilages

Large Amounts of water

lacks nerve fibers

Avascular

Surrounded by fibrous perichondrium

Appear glassy

Collagenous fibers

Most abundant skeletal cartilages

Flexible and resilient

Articular, costal, respiratory and nasal cartilages

abundant elastic fibers w collagen fibers

flexible

Outer ear and epiglottis

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

Microscopic anatomy

Chemical composition

Compact Bone

Spongy Bone

Shaft

Epiphyses

Diaphyses

Periosteum

Endosteum

Nutrient Foramina

Red marrow

Yellow marrow

Markings

Osteogenic Cells: Osteoprogenitor cells

Osteoblasts

Osteocyte

Osteoclast

Osteon

Lamella

Canals, Canaliculi

Lacunae

Organic: Cells

Inorganic: mineral salts: hydroxyapatites

Bone Development

Remodeling and Repair

Homeostatic Imbalances

Bone Markings

Bone and Skeletal Tissues