brain hormone

noun

Definition of brain hormone

1 : a hormone that is secreted by neurosecretory cells of the insect brain and that stimulates the prothoracic glands to secrete ecdysone
2 : any of various hormones (such as serotonin) produced in or acting on the vertebrate brain or central nervous system not usually used technically

Examples of brain hormone in a Sentence

Recent Examples on the Web The male pill works by blocking those brain hormones, which then lowers testosterone levels and, is expected to shut down sperm production. Jonathan Lapook, CBS News, "Male birth control pill could be closer to becoming reality, study finds," 20 Mar. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'brain hormone.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of brain hormone

1957, in the meaning defined at sense 1

Keep scrolling for more

Learn More about brain hormone

Time Traveler for brain hormone

Time Traveler

The first known use of brain hormone was in 1957

See more words from the same year

Statistics for brain hormone

Cite this Entry

“Brain hormone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/brain%20hormone. Accessed 24 Nov. 2020.

Keep scrolling for more

More Definitions for brain hormone

brain hormone

noun

Medical Definition of brain hormone

: any of various hormones (as serotonin and melatonin) produced in or acting on the vertebrate brain or central nervous system not usually used technically

More from Merriam-Webster on brain hormone

Britannica.com: Encyclopedia article about brain hormone

Comments on brain hormone

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

WORD OF THE DAY

Test Your Vocabulary

A Thanksgiving Word Quiz

  • a traditional thanksgiving dinner
  • November comes from a word for which of the following numbers?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Syn City

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!