Dictionary.com
Thesaurus.com

first messenger

American  

noun

Biochemistry.
  1. a hormone that triggers a biochemical reaction at a site removed from its release.


Etymology

Origin of first messenger

First recorded in 1975–80

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The hormone is called a first messenger and the cellular component is called a second messenger.

From Textbooks • Jun. 9, 2022

The hormone that initiates the signaling pathway is called a first messenger, which activates a second messenger in the cytoplasm, as illustrated in Figure 28.6.

From Textbooks • Jun. 9, 2022

The hormone that initiated the signaling pathway is called a first messenger.

From Textbooks • Jun. 9, 2022

In this case, the hormone is called a first messenger.

From Textbooks • Jun. 19, 2013

Money on the first messenger there had been none.

From The Strange Adventures of Mr. Middleton by Curtis, Wardon Allan

Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "first messenger" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com