KEY TERMS OF CHAPTER 17

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Across
  1. 3. heterotrophic microorganism that lives and grows in complete (or almost complete) absence of oxygen; some are obligate.
  2. 5. inhibitor of calcification that occurs in parotid saliva of humans in variable amounts; anticalculus component of “tartar-control” dentifrices.
  3. 7. a solution containing more of an ingredient that can be held in solution permanently.
  4. 8. white blood corpuscle capable of amoeboid movement; functions to protect the body against infection and disease.
  5. 9. nucleus, focus, point of origin.
Down
  1. 1. without definite shape or visible differentiation in structure.
  2. 2. a surrounding framework, enabling development in a structured manner.
  3. 3. crystalline mineral component of bones and teeth that contains calcium and phosphate.
  4. 4. not made up of or containing cells?
  5. 6. also referred to as “tarter”