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calcitonin Definition

cal·ci·to·nin (kal′si tō′nin)

noun

a polypeptide hormone regulating the balance of calcium and phosphate in the blood by direct action on bone and kidney: in mammals, secreted by the thyroid

calcitonin Usage Examples

Converse of object

  • secrete: C-cells, which secrete calcitonin, are found outside the follicles.
  • produce: Some cells in the thyroid also produce the hormone calcitonin.

Adjective modifier

  • intranasal: No serious adverse events have emerged from clinical trials with intranasal calcitonin although the frequency of rhinitis is increased.
  • nasal: A randomized double-blind trial of nasal calcitonin reported no significant clinical benefit from 400iu daily ( 42 ).
  • subcutaneous: Subcutaneous calcitonin Four of four trials described benefit compared with placebo.

Modifies a noun

  • gene: Other substances like substance P and calcitonin gene related peptide may also have a role to play.
  • level: Basal serum calcitonin levels fell only moderately, suggesting distant micrometastases.

Noun used with modifier

  • salmon: All but one of these studies used synthetic salmon calcitonin and the route of administration varied.
  • hormone: Some cells in the thyroid also produce the hormone calcitonin.
  • serum: Basal serum calcitonin levels fell only moderately, suggesting distant micrometastases.