| 单词 | second messenger |
| 释义 | second messengernoun Biochemistry.any of various intracellular chemical substances, as cyclic AMP, that transmit and amplify the messages delivered by a first messenger to specific receptors on the cell surface. Compare first messenger. Origin of second messengerFirst recorded in 1960–65 Words nearby second messengersecond lieutenant, secondly, second man, second mate, secondment, second messenger, second molar, second mortgage, second name, second nature, secondo Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Cultural definitions for second messengersecond messenger A molecule that relays messages in a cell from a receptor on a cell membrane to the final destination where an action within the cell is to take place. (See signal transduction pathway.) The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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