BIO 201 Exam I Key Terms - Skeletal System

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Across
  1. 7. formation of new blood cells
  2. 8. thin layer of hyaline cartilage on epiphyses, reduces friction between articulating bones
  3. 9. between diaphysis and epiphysis, containing epiphysial (growth) plate
  4. 10. covers most internal surfaces of bones
  5. 11. cylindrical space in diaphysis, contains yellow bone marrow in adult
  6. 12. smooth surfaces where bones meet
  7. 14. living organs containing all four tissues types, primarily connective tissues, extracellular matrix is sturdy and rigid, strengthened by calcification
  8. 15. bone tissue that is solid and relatively dense, external surfaces of long and flat bones
Down
  1. 1. elongated, usually cylindrical shaft
  2. 2. tissues that grow and change throughout life, consisting of cartilages, bones, ligaments, and other supportive connective tissues
  3. 3. dense irregular connective tissue covering external surfaces of bones, acts as anchor for blood vessels and nerves, anchored by perforating fibers embedded in the bone matrix
  4. 4. process by which minerals deposited in the matrix as hydroxyappetite
  5. 5. knobby, enlarged regions at ends, strengthen joints, attachment site for tendons/ligaments
  6. 6. bone cells that dissolve bone, releasing calcium, resorption, involved in remodeling
  7. 13. bone cells that maintain matrix and reside in lacunae, involved in remodeling