Definition of second messenger in English:

second messenger

Syllabification: sec·ond mes·sen·ger

noun

Physiology
A substance whose release within a cell is promoted by a hormone and that brings about a response by the cell.
More example sentences
  • Fatty acids function as second messengers and coregulators of gene transcription.
  • Examples of proteins and second messengers that appear to act in multiple response pathways are also described.
  • This enzyme is abundantly expressed in the lung tissue and thereby stabilizes the second messenger.

Definition of second messenger in:

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Word of the day dinkum
Pronunciation: ˈdɪŋkəm
adjective
(of an article or person) genuine, honest, true