calcitonin

noun
cal·​ci·​to·​nin | \ ˌkal-sə-ˈtō-nən How to pronounce calcitonin (audio) \

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)

Keep scrolling for more

Learn More about calcitonin

Statistics for calcitonin

Look-up Popularity

Time Traveler for calcitonin

The first known use of calcitonin was in 1961

See more words from the same year

Keep scrolling for more

More Definitions for calcitonin

calcitonin

noun
cal·​ci·​to·​nin | \ ˌkal-sə-ˈtō-nən How to pronounce calcitonin (audio) \

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

Comments on calcitonin

What made you want to look up calcitonin? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

a sum of money that is sent as a payment

Get Word of the Day daily email!

Test Your Vocabulary

Time Traveler Quiz: Which Word Came First?

  • time traveler quiz which word came first
  • Which came first?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!