Endocrine System Fall 2009. Outline Overview Hormones Specific Endocrine Organs & Hormones.

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Endocrine System Fall 2009

Transcript of Endocrine System Fall 2009. Outline Overview Hormones Specific Endocrine Organs & Hormones.

Page 1: Endocrine System Fall 2009. Outline Overview Hormones Specific Endocrine Organs & Hormones.

Endocrine System

Fall 2009

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Outline

• Overview

• Hormones

• Specific Endocrine Organs & Hormones

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Endocrine System: Overview• Endocrine system – the body’s second great controlling

system

• Major processes controlled– Reproduction– Growth & Development– Mobilization of body’s defenses– Maintenance of electrolyte, nutrient and water balance– Regulation of cellular metabolism– Energy balance

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Hormones

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Types of Hormones

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Types of Hormones

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Amino Acid–Based Hormone Action: cAMP Second Messenger

Figure 17.1a

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Amino Acid–Based Hormone Action:

PIP-Calcium

Figure 17.1b

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Steroid Hormones

Figure 17.2

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Hormone Concentrations in the Blood

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Control of Hormone Synthesis and Release

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Figure 17.3a

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Major Endocrine Organs: Pituitary

Figure 17.5

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Figure 17.5

Pituitary-Hypothalamic Relationships: Anterior Lobe

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Figure 11.15

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Figure 11.16

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Figure 11.17

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Figure 11.18

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Metabolic Action of Growth Hormone

Figure 17.6

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Homeostatic Imbalances

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Thyroid Gland

Figure 17.8a

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Thyroid Hormone (TH)

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Hypothyroidism

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Graves Disease

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Effects of Parathyroid Hormone

Figure 17.11

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Adrenal Glands

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Figure 11.06

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Figure 11.19

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Cushings Syndrome

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Addisons Disease

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Gonadocorticoids

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Pancreas - Insulin

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Pancreas - Glucagon

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Pineal Gland

• Small gland hanging from the roof of the third ventricle of the brain

• Secretory product is melatonin• Melatonin is involved with:

– Day/night cycles– Physiological processes that show rhythmic

variations

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Summary

• Overview

• Hormones

• Specific Endocrine Organs & Hormones