Final answer:
Autocrine signaling occurs when a cell responds to its own signaling molecules. It is involved in tissue development, pain sensation, inflammatory responses, and programmed cell death in infected cells.
Step-by-step explanation:
Autocrine signaling, as the name suggests, occurs when a cell responds to its own signaling molecules. This form of signaling is involved in various processes such as tissue development, pain sensation, inflammatory responses, and programmed cell death in infected cells. Autocrine signaling helps to amplify the signal by inducing more signaling production from the cell itself.