Chapter 49.2, Problem 1C

Summary Introduction

To draw: Diagrams to contrast neuroendocrine signaling with classical endocrine signaling.

Introduction: The endocrine system is the chemical signaling system that uses blood vessels as information channels. The endocrine glands are ductless organs located within the organ systems and contain groups of endocrine cells that secrete their hormones directly into their surroundings. The endocrine signaling is of four types, namely classical signaling, neuroendocrine signaling, autocrine signaling, and paracrine signaling.