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Endocrine Systems

Dive into the fascinating world of endocrine systems, learning about traditional hormones like pituitary and thyroid, and their role in invertebrates. Explore how hormones work in small amounts, their effects on cell signaling, and the impact of prolonged exposure or high doses. Understand concepts like blood clearance and receptor desensitization to gain insights into the chemistry of messengers.

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Endocrine Systems

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  1. Endocrine Systems • Introduction to Cell Signaling • Chemistry of Messengers • Traditional Hormones • Pituitary • Thyroid • Hormones in Invertebrates

  2. Hormones • Effective in small amounts 10-7 M • Blood Clearance in minutes to hours • Small amounts may have a priming effect (up regulation) • Prolonged exposure to high concentrations can cause desensitization (down regulation) • High doses may affect other receptors

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