Endocrine System Fall 2009
Outline Overview Hormones Specific Endocrine Organs & Hormones
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
Hormones
Types of Hormones
Amino Acid–Based Hormone Action: cAMP Second Messenger Figure 17.1a
Amino Acid–Based Hormone Action: PIP-Calcium Figure 17.1b
Steroid Hormones Figure 17.2
Hormone Concentrations in the Blood
Control of Hormone Synthesis and Release
Figure 17.3a
Major Endocrine Organs: Pituitary Figure 17.5
Pituitary-Hypothalamic Relationships: Anterior Lobe
Figure 11.15
Figure 11.16
Figure 11.17
Figure 11.18
Metabolic Action of Growth Hormone Figure 17.6
Homeostatic Imbalances
Thyroid Gland Figure 17.8a
Thyroid Hormone (TH)
Hypothyroidism
Graves Disease
Effects of Parathyroid Hormone Figure 17.11
Adrenal Glands
Figure 11.06
Figure 11.19
Cushings Syndrome
Addisons Disease
Gonadocorticoids
Pancreas - Insulin
Pancreas - Glucagon
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
Summary Overview Hormones Specific Endocrine Organs & Hormones