Week 11 Endocrine Exam Study Guide
Week 11 Endocrine Exam Study GuideWeek 11 Endocrine Exam Study Guide Functions: • Growth and development • Sexual differentiation • Metabolism – thyroid hormone • Adaptation to the environment o Fight/flight, use and storage of nutrients, regulation of digestion, reproductive functions, the balance of fluids and electrolytes Hormones: chemical messengers that can act locally (paracrine), autocrine (on selves) • Move thru the body via blood to get to distant sites/target organs • Present in body fluids at all times, the amount depends on the needs • 1 single hormone can exert effects on many different tissues (different effects) • 1 single function can be regulated by multiple hormones • Usually work with the NEGATIVE feedback system • High affinity to receptors allow hormones to cause intercellular cascades effects to target cells, tissues, organs Control mechanisms: mainly hypothalamus and pituitary glands • Hypothalamus releases RELEASING HORMONES Downloaded by DANIEL NDAMBIRI () lOMoARcPSD| amuri Page 2 of 26 o Move to the anterior pituitary, where they trigger the release of stimulating hormones • Pitu
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