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Bone Tissue Concept Map, Divided by epiphyseal lines, Osteons- The…

- - - - Two textures...
        
        Compact Bone- Resists compressing and twisting forces
        
        Made from osteons
        
        Spongy Bone- Resists forces in many directions and provides a place for bone marrow to sit
        
        Made from...
        
        Criss-crossing trabeculae
        
        Surrounds the...
        
        Medullary Cavity- The largely hollow interior portion of the diaphysis of a long bone.
        
        Depending on bone and age, can house...
        
        Yellow Marrow- Adipose tissue located within most of the bones of an adult
        
        Red Marrow- Hematopoietic tissue located within certain bones that produces all of the formed elements of the blood
        
        Is lined by...
        
        Endosteum- The connective tissue membrane lining the interior surfaces of a bone
      - Bone Cell types...
        
        Osteoblasts- Found in the inner periosteum and endosteum that builds bone and mature into osteocytes
        
        Derived from...
        
        Osteogenic cells- Flattened cells that differentiate into osteoblasts when stimulated by certain chemical signals
        
        Osteocytes- Found in a small cavity known as a lacuna, these cells secrete chemicals that are required for maintaining the ECM.
        
        Osteoclasts- Residing in shallow depressions on the internal or external surfaces of the bone, these cells are responsible for bone resorption
- - - - Is attached to the underlying bone by collagen fibers called...
        
        Perforating Fibers- Fibers that penetrate deeply into the bone matrix, securing the periosteum in place
- - - - Concentric Lamellae- Rings of lamellae around the central canal
      - Circumferential Lamellae- Rings of bony tissues circling the entire bone
      - Interstitial Lamellae- Lamellae between osteon made from remodeled concentric lamellae
  - - - Perforating Canal- Run perpendicular to osteons and carry blood vessels from the periosteum that merge with vessels in the central canals
- - - - Intramembranous ossification- The process by which certain flat bones form from a mesenchymal model
      - Endochondral ossification- The process by which most bones form from a hyaline cartilage model