Across
- 3. future ectoderm and mesoderm
- 4. meaning live and birth
- 7. organic salts are arranged in ordered unit
- 8. it completes the covering of the amniotes
- 9. formed via repeated mitotic cell division
- 13. meaning organ formation
- 15. sheets for cells may split into parallel layers
- 16. supports respiratory and nutritional function of the fetus
- 18. responsible for formation of digestive and respiratory tubes
- 19. yolk is evenly distributed
- 24. known as middle shaft
- 26. create streams of cells
- 27. male gamete
- 28. solid mass of cells
- 30. bone-destroying cells
- 32. meaning beyond and form
- 33. the region between diaphysis and epiphysis
- 34. contains cells in liquid plasma
- 37. yolk is concentrated in one pole
- 38. meaning nerve and formation
- 39. bone-forming cells
- 40. helps in gaseous exchange
Down
- 1. outer cellular layer of mammalian blastocyst
- 2. firm but flexible special connective tissue
- 5. event where cells are joined by cells dropping from the blastoderm
- 6. tendency of wall of cells to indent
- 10. cells specialized to secrete product
- 11. meaning child and form
- 12. solid sheets split to open spaces
- 14. meaning egg and birth
- 17. tissue that stores lipids
- 20. primitive method of coelom formation
- 21. meaning tissue formation
- 22. blastula stage in mammals
- 23. spaces within the bone matrix
- 25. can be found in each end of the bond
- 29. study of how long and fast the maturation process is
- 31. female gamete
- 35. meaning gut and formation
- 36. known as immatures and preproductive individuals