Which of the following types of chemical signaling acts over a small neural region encompassing a cluster of nerve cells?

Which of the following types of chemical signaling acts over a small neural region encompassing a cluster of nerve cells?

Which of the following types of chemical signaling acts over a small neural region encompassing a cluster of nerve cells?





  1. Endocrine
  2. Exocrine
  3. Paracrine
  4. Synaptic
  5. Ephaptic

Answer: 3