Histology

• What is the FUNCTION of the central canal?: hold blood vessels, center of osteon

  What is the FUNCTION of the perforating canal?: hold blood vessels going across bone

  What is the FUNCTION of the lacunae?: holds osteocyte

  What is the FUNCTION of the canaliculi?: transport between lacunae

  What is the FUNCTION of the lamellae?: bone matrix

  Name the LOCATION of this tissue: superficial bone

  Name the FUNCTION of this tissue: protection and to absorb force in one direction

  
• What is the TISSUE TYPE?: dry ground compact bone

  What is the STRUCTURE pointed at by the RED arrow?: central canal

  What is the STRUCTURE pointed at by the ORANGE arrow?: perforating canal

  What is the STRUCTURE pointed at by the YELLOW arrow?: lacunae

  What is the STRUCTURE pointed at by the GREEN arrow?: canaliculi

  What is the STRUCTURE pointed at by the TURQUOISE arrow?: concentric lamellae

  What is the STRUCTURE pointed at by the BLUE arrow?: interstitial lamellae

  
• What is the TISSUE TYPE: cancellous (spongy) bone

  What is the STRUCTURE pointed at by the RED arrow: trabeculae

  What is the STRUCTURE pointed at by the ORANGE arrow: lacunae

  What is the STRUCTURE pointed at by the YELLOW arrow: osteocyte

  What is the STRUCTURE pointed at by the GREEN arrow: marrow

  
• What is the FUNCTION of the trabeculae: basic unit of spongy bone

  What is the FUNCTION of the lacunae: holds osteocyte

  What is the FUNCTION of the marrow: produces new blood cells

  What is the FUNCTION of the osteocytes: maintain bone matrix

  Name the LOCATION of this tissue: deep bone

  Name the FUNCTION of this tissue: structural support and flexibility

  
• What is the TISSUE TYPE: areolar connective tissue

  What is the STRUCTURE pointed at by the RED arrow: fibrocytes/fibroblasts

  What is the STRUCTURE pointed at by the ORANGE arrow: elastic fibers

  What is the STRUCTURE pointed at by the YELLOW arrow: collagen fibers

  
• What is the FUNCTION of the fibroblasts/fibrocytes: build and maintain fibers

  What is the FUNCTION of the elastic fibers: stretch and recoil

  What is the FUNCTION of the collagen fibers: tensile strength

  Name the LOCATION of this tissue: skin, lungs

  Name the FUNCTION of this tissue: cushioning, independent movement

  
• What is the TISSUE TYPE: dense regular connective tissue

  What is the STRUCTURE pointed at by the BLUE arrow: collagen fibers

  What is the STRUCTURE pointed at by the GREEN arrow: fibrocytes

  
• What is the FUNCTION of the collagen fibers: tensile strength

  What is the FUNCTION of the fibrocytes: maintain fibers

  Name the LOCATION of this tissue: tendons and ligaments

  Name the FUNCTION of this tissue: stabilize and support tissue and organs

  
• What is the TISSUE TYPE: hyaline cartilage

  What is the STRUCTURE pointed at by the RED arrow: chondrocytes

  What is the STRUCTURE pointed at by the ORANGE arrow: lacuna

  What is the STRUCTURE pointed at by the YELLOW arrow: interstitial matrix

  What is the STRUCTURE pointed at by the GREEN arrow: adipocytes

  
• What is the FUNCTION of the chondrocytes: maintains cartilage

  What is the FUNCTION of the lacuna: houses chondrocytes

  What is the FUNCTION of the interstitial matrix: transport of materials and stability

  What is the FUNCTION of adipocytes: store lipids

  Name the LOCATION of this tissue: joints

  Name the FUNCTION of this tissue: joint protection, bone development