Cell Communication

Direct Contact

Local Signaling Paracrine Signaling Synaptic

Distant Signaling Hormonal

Signal Transduction Pathway Reception Transduction Response

Stages of Intracellular Signaling Reception G-Protein receptors

Stages of Intracellular Signaling Reception Enzymatic Receptors

Stages of Intracellular Signaling Reception Gated Ion Channels

Stages of Intracellular Signaling Reception Intracellular Receptors

Stages of Intracellular Signaling Transduction

Cellular Response Amplification

Cellular Response Specificity