calcitonin

noun
cal·ci·to·nin | \ˌkal-sə-ˈtō-nən \

Definition of calcitonin 

1 : a polypeptide hormone especially from the thyroid gland that lowers the level of calcium in the blood plasma

called also thyrocalcitonin

2 : a synthetic or recombinant form of calcitonin used to treat Paget's disease of bone and postmenopausal osteoporosis Calcitonin administered by means of a nasal spray is an antiresorptive agent that has limited efficacy in reducing the risk of vertebral fractures and lacks efficacy in preventing hip fracture.— Murray J. Favus

First Known Use of calcitonin

1961, in the meaning defined at sense 1

History and Etymology for calcitonin

calci- + -tonin (as in serotonin)

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The first known use of calcitonin was in 1961

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calcitonin

noun
cal·ci·to·nin | \ˌkal-sə-ˈtō-nən \

Medical Definition of calcitonin 

1 : a polypeptide hormone especially from the thyroid gland that tends to lower the level of calcium in the blood plasma

called also thyrocalcitonin

2 : a synthetic or recombinant form of calcitonin used to treat Paget's disease of bone and postmenopausal osteoporosis Calcitonin administered by means of a nasal spray is an antiresorptive agent that has limited efficacy in reducing the risk of vertebral fractures and lacks efficacy in preventing hip fracture.— Murray J. Favus, The New England Journal of Medicine, 18 Nov. 2010

More from Merriam-Webster on calcitonin

Britannica.com: Encyclopedia article about calcitonin

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