Concept
Second Messengers
Second messengers
Small intracellular signals that relay and distribute information after many receptors are activated.
Overview
EXPLORE BY LEVELA A protein that detects a signal, such as a hormone, and helps a cell respond. can cause a cell to make or release small messenger molecules inside. These help carry the message to other parts of the cell.
Quick Facts
AT A GLANCEExplore nextCell signaling
Follow the Connections
See how Second Messengers links to other biological records.
All 2 Structured Connections
Recommended Reading
Trusted references for learning more about Second Messengers.
Research Claims
Second-messenger signals are regulated by synthesis, degradation, buffering, and compartmentalization. Local microdomains can produce distinct outputs from the same messenger species.