Macroscopic and Microscopic Structures

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Across
  1. 1. (Bone type)Dense external layer
  2. 6. (Membrane)External surface. Appears as a glistening white, double-layer
  3. 9. Hairlike canals that connect lacunae to each other
  4. 10. (Lamellae) Located deep to the periosteum and superficial to the endosteum
  5. 16. (Canal)Contains blood vessels and nerve fiber thats serve the needs of the osteon's cells
  6. 17. (Cells)Mitotic stem cells found in the membranous periosteum and endosteum
  7. 19. Ends of the long bone
Down
  1. 2. Spider-shaped mature bone cells
  2. 3. Central part of the long bone
  3. 4. Located at the junctions of lamellae
  4. 5. Marrow cavity contains yellow marrow
  5. 7. (Marrow)Found in Medullary cavity and contains fat
  6. 8. Tufts of collagen fibers that extend from its fibrous layer into the bone matrix
  7. 11. (Lamellae)Lies between intact osteons
  8. 12. (Marrow)Found within trabecular cavities of spongy bone and in the diploe of flat bones
  9. 13. (System)Elongated cylinder oriented parallel to the long axis of the bone
  10. 14. (Membrane) Covers internal bone surfaces. Delicate connective tissue
  11. 15. (Line/plate)Disc of hyaline cartilage that changes when adulthood is reached
  12. 18. (Bone type)Internal honeycomb layer