| 释义 |
Definition of signal molecule in English: signal moleculenoun Any extracellular or intracellular molecule (e.g. a hormone, neurotransmitter, second messenger, etc.), released in response to a stimulus that promotes a particular reaction in a cell, or behaviour in an organism; especially such a molecule involved in cell-to-cell communication.
Origin 1960s; earliest use found in Journal Insect Physiology. Definition of signal molecule in US English: signal moleculenoun Any extracellular or intracellular molecule (e.g. a hormone, neurotransmitter, second messenger, etc.), released in response to a stimulus that promotes a particular reaction in a cell, or behaviour in an organism; especially such a molecule involved in cell-to-cell communication.
Origin 1960s; earliest use found in Journal Insect Physiology. |