Chapter 21
Endocrine System

The endocrine system sends hormones—chemical signals—through the bloodstream to target cells—the cells the hormones selectively…

Hormones can be classified into three main types based on their chemical structures: steroids, peptides, and amines. Their actions are mediated by…

Hormones—or any molecule that binds to a receptor, known as a ligand—that are lipid-insoluble (water-soluble) are not able to diffuse…

In most cases, excessive hormone production is prevented by negative feedback—a loop that starts with a stimulus inducing the release of a…

A Chemical Screening Procedure for Glucocorticoid Signaling with a Zebrafish Larva Luciferase Reporter System
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Glucocorticoid stress hormones and their artificial derivatives are widely used drugs to treat inflammation, but long-term treatment with…

Honeybee workers are engaged in various tasks related to maintaining colony activity. The tasks of the workers change according to their age…

Assessment of the Effects of Endocrine Disrupting Compounds on the Development of Vertebrate Neural Network Function Using Multi-electrode Arrays
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Bis-phenols, such as bis-phenol A (BPA) and bis-phenol-S (BPS), are polymerizing agents widely used in the production of plastics and numerous…