BIO 201 Exam I Key Terms - Skeletal System

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Across
  1. 3. hole in something
  2. 5. strainer-like
  3. 6. infant cranial bones are connected by flexible areas of dense regular connective tissue
  4. 8. open lattice of narrow plates
  5. 11. wing-like
  6. 12. immovable joints between skull bones
  7. 14. 3 tiny bones in each middle ear for hearing
  8. 17. suture between occipital and parietal bones
  9. 18. horn
  10. 19. cavity or hollow place, curved space
  11. 20. smooth surface when two bones articulate
  12. 21. bone tissue that is made of trabeculae, internal surface of bones
Down
  1. 1. depression found in bone
  2. 2. suture between parietal bones
  3. 4. shell
  4. 6. compact and spongy bone
  5. 7. category of the skeletons comprised of shoulder and hip bones and those of the upper and lower extremities (126 bones)
  6. 9. basic structural unit of mature compact bone
  7. 10. concentric, cylindrical structures
  8. 13. suture between frontal and parietal bones
  9. 15. suture between temporal and parietal bones
  10. 16. category of the skeleton comprised of the skull, vertebral column, and thoracic cage (80 bones)