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
In a word, if Captain Kendall had gone on deck when the first messenger went to him, I should have justified and sustained him.
From Dikes and Ditches Young America in Holland and Belguim by Optic, Oliver
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.
