first messenger
Americannoun
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 initiated the signaling pathway is called a first 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 neurotransmitter, referred to as the first messenger, binds to the receptor protein on the extracellular surface of the cell, and the intracellular side of the protein initiates activity of the G protein.
From Textbooks ● Jun. 19, 2013
A slight colour, the first messenger of returning health, played on his cheeks; his look was as brilliant as ever, and his arm felt as powerful.
From The Banished A Swabian Historical Tale. In Three Volumes. by Wilhelm Hauff
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
