+A **receptor** is a protein that binds to specific [Ligand](/wiki/ligand) molecules, acting as a molecular sensor. This interaction triggers a specific [Cell Communication](/wiki/cell_communication) pathway, allowing cells to respond to their environment.
+## See also
+- [Protein](/wiki/protein)
+- [Signal Transduction](/wiki/signal_transduction)
+- [Hormone](/wiki/hormone)
... 1 more lines