SKELETAL SYSTEM FUNCTIONS

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SKELETAL SYSTEM FUNCTIONS

• SUPPORT MOVEMENT
• PROTECTION THINK RIB CAGE, SKULL, AND VERTEBRAL
  COLUMN
• MINERAL STORAGE
• BLOOD FORMATION HEMOPOIETIC TISSUE IN THE
  MARROW CAVITIES
• HEMOPOIETIC TISSUE IS NOT SKELETAL

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SKELETAL SYSTEM

• TYPES OF BONES
• MEMBRANE BONES DEVELOP IN FIBROUS SHEETS
• ENDOCHONDRAL BONES DEVELOP FROM CARTILAGINOUS
  ANLAGE
• TYPES OF BONE
• CANCELLOUS AKA SPONGY BONE
• COMPACT HAVERSIAN BONE

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CELL TYPES

• CHONDROBLASTS CARTILAGE PRECURSOR CELLS
• CHONDROCYTES CARTILAGE FORMING CELLS
• OSTEOBLASTS
• OSTEOCYTES-
• OSTEOCLASTS BONE RESORBING CELLS -
  MACROPHAGOCYTIC

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LONG BONE STRUCTURE

• DIAPHYSIS ORIGIN OF OSSIFICATION
• EPIPHYSIS END WITH CARTILAGINOUS ARTICULAR
  SURFACE
• EPIPHYSEAL PLATE GROWTH PLATE OF CARTILAGE BTWN
  THE DIAPHYSIS AND EPIPHYSIS

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HAVERSIAN SYSTEM

• CENTRAL CANAL
• LAMELLAE
• LACUNAE
• OSTEOCYTES
• CANALICULI

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