Chapter 17 key terms

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