Calculus key terms

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