Chapter 8: Skeletal System: The Axial Skeleton

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Across
  1. 1. median process on the front part of the neural arch of the vertebrae of most snakes and some lizards
  2. 4. supporting the muscle fibers of the myomeres
  3. 6. one of the transverse processes that project from the centrum of each vertebra of many lower vertebrates
  4. 7. interarticular cartilage or bone between the sternum and each clavicle in many mammals
  5. 9. one of a pair of dorsal and lateral elements of the centrum of the vertebra of the fish
  6. 10. set of twelve bones which form the protective 'cage'
  7. 11. condition in which vertebral centra and spines are single-pieced or fused
  8. 15. continuous rod of fiburus connective tissue
  9. 16. amphibians that were well-adapted to life on land,
  10. 20. second cervical vertebra
  11. 21. transverse process of a vertebra that is an outgrowth of the neural arch on the dorsal side
  12. 25. meaning "drawn-out face" because most of its skull was in front of its eyes
  13. 26. include frogs, toads, salamanders, and newts
  14. 27. dermal bones found in the ventral body wall of modern crocodilian and Sphenodon species
  15. 29. They follow the oldest known living lineage of Sarcopterygii
  16. 30. first cervical (neck) vertebra
  17. 31. adjustment for vertical tilt
Down
  1. 2. australian lung fish
  2. 3. diverse taxon of reptiliomorph tetrapods
  3. 5. ventral rib head
  4. 8. diverse order of small to giant tetrapods—often considered primitive amphibians
  5. 12. plural of centrum, the central part of a vertebra.
  6. 13. interlocking bones that form the spinal column
  7. 14. a process of projection or outgrowth of tissue from a larger body
  8. 17. having an egg equipped with an amnion
  9. 18. having two heads
  10. 19. four-limbed animals
  11. 22. also known as dipnotetrapodomorphs
  12. 23. fossa on the posterior median part of the neural arch of a vertebra (as of a snake)
  13. 24. two legs
  14. 28. element of the vertebral column alternating with the true centra of the vertebrae in several different classes of vertebrates