Endocrine System Describe the general features of the endocrine system, including how hormones are transported between an...

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Medical Sciences

Endocrine System
Describe the general features of the endocrine system,including how hormones are transported between an endocrine glandand its target organs.
Describe the action of insulin in lowering blood glucoseconcentration and the action of glucagon in increasing bloodglucose concentration.
Explain what is meant by the half-life of a hormone.
Explain the functions of aldosterone, ADH, ACTH, growthhormone, and thyrotropin releasing hormone.
Explain the endocrine functions of the hypothalamus.
Describe how lipid-soluble hormones reach their target cellreceptors and the type of cellular change they initiate.
Define up-regulation and down-regulation.
Compare autocrine and paracrine signaling that occurs throughlocal hormones.
Explain how the hypothalamus controls the release of hormonesfrom the anterior pituitary and the general function of each.

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1 The endocrine system includes a number of glands that secrete hormones helping to regulate metabolism growth and development tissue function sexual function reproduction sleep and mood The endocrine system consists of the pituitary gland thyroid gland adrenal glands pancreas ovaries in females and testicles in males Hormones are the bodys chemical messengers secreted directly into blood They transfer information from one set of cells to another in order to coordinate the functions of various parts of the body The hypothalamus is the neural control center of all endocrine systems in vertebrates Hormones are released into the bloodstream which leads to target sites The target cell has a specific hormone receptors which are activated by a lipid soluble hormones permeable to the plasma membrane or water soluble See Answer

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