Chapter 5

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Across
  1. 3. is the bottom-most layer of the epithelium.
  2. 6. a cell in the pulp of a tooth that produces dentin.
  3. 7. the natural process of bone formation.
  4. 10. The thin tissue forming the outer layer of a body's surface
  5. 11. A mammal of an order whose members are born incompletely developed and are typically carried and suckled in a pouch on the mother's belly.
  6. 12. Union of two mature cells
  7. 14. A process by which a gastrula forms from a blastula.
  8. 15. It is the formation of different tissues from undifferentiated cells.
  9. 17. A layer of thick connective tissue.
  10. 22. a large multinucleate bone cell which absorbs bone tissue during growth and healing
  11. 24. genes which regulate the development of anatomical structures in various organisms such as echinoderms, insects, mammals, and plants.
  12. 25. are cells that are derived from the loose masses of paraxial mesoderm
  13. 26. Female gamete
  14. 28. Blastula stage
  15. 31. The production and development of the organs of an animal or plant
  16. 32. a thin layer, membrane, or plate of tissue, especially in bone.
  17. 33. a rigid organ that constitutes part of the vertebrate skeleton in animals.
  18. 34. It secretes their products onto the surface of an epithelium.
  19. 35. bones embedded in tendons
  20. 36. a slightly movable fibrous joint in which bones such as the tibia and fibula are joined together by connective tissue.
  21. 37. Cells specialized to secrete.
  22. 38. a flattened circular organ in the uterus of pregnant eutherian mammals, nourishing and maintaining the fetus through the umbilical cord.
  23. 39. white blood cells
Down
  1. 1. A structural unit of bone consisting
  2. 2. It refers to a process where an inorganic substance precipitates in an organic matrix
  3. 4. It is also known as Membrane Bone
  4. 5. is the connection made between bones in the body which link the skeletal system
  5. 8. stimulatory effect between developing tissues of embryo
  6. 9. a narrow gully that runs down the middle of primitive streak
  7. 13. meaning "life" and "birth"
  8. 16. is the accumulation of calcium salts in a body tissue
  9. 18. outermost layer of the human placenta
  10. 19. is any genetically controlled difference in the timing or duration of a developmental process in an organism compared to its ancestors or other organisms.
  11. 20. A raised clumped of cells
  12. 21. having a single set of unpaired chromosomes.
  13. 23. It includes all the placentals and excludes the marsupials and monotremes.
  14. 27. primitive mammal that lays large yolky eggs
  15. 29. a cell which has secreted the matrix of cartilage and become embedded in it
  16. 30. Male gametes
  17. 35. in this type of joint the articulating bones are separated by a fluid containing joint cavity.