Human Anatomy
5th Edition
ISBN: 9780073403700
Author: Kenneth S. Saladin Dr.
Publisher: McGraw-Hill Education
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Chapter 18.4, Problem 16BYGO
Summary Introduction
To analyze:
The reason for the decline in the endocrine function even after little decrease in hormone secretion along with the examples.
Introduction:
Hormones are chemical molecules that act as messengers that are carried through the bloodstream to various target organs. The hormones are regarded as an integral part of the endocrine system that regulates and influences the majority of critical functions and mechanisms taking place inside the body.
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In some cases, endocrine function can decline in old age even if there is little change in the level of hormone secretion.Explain why, and support your explanation with examples.
“Since endocrine systems are the components of homeostatic feedback loop, co-ordination can be evident in hormone secretion” – explain this statement with an example.
The endocrine system is composed of glands that secrete hormones that regulate the activity of different body cells. The pituitary gland is often called the "master gland" because it controls the activities of other glands.
Discuss a disorder associated with either hypo or hypersecretion of a specific hormone secreted by the pituitary gland.
Include in your discussion the answer to the following:
What effect will an increase or decrease in production have on the target organs?What signs and symptoms are associated with this condition and how is it treated?
Chapter 18 Solutions
Human Anatomy
Ch. 18.1 - Define the word hormone. Compare hormones and...Ch. 18.1 - Prob. 2BYGOCh. 18.1 - Prob. 3BYGOCh. 18.1 - How do the nervous and endocrine systems differ?...Ch. 18.2 - Prob. 5BYGOCh. 18.2 - Prob. 6BYGOCh. 18.2 - Prob. 7BYGOCh. 18.2 - Prob. 8BYGOCh. 18.3 - The zona fasciculate thickens significantly in...Ch. 18.3 - Often, two hormones have opposite (antagonistic)...
Ch. 18.3 - Prob. 9BYGOCh. 18.3 - Prob. 10BYGOCh. 18.3 - Prob. 11BYGOCh. 18.3 - What is the difference between a gonadal hormone...Ch. 18.3 - What hormones are most important in regulating...Ch. 18.3 - Prob. 14BYGOCh. 18.4 - Prob. 15BYGOCh. 18.4 - Prob. 16BYGOCh. 18.4 - Prob. 17BYGOCh. 18.4 - Prob. 18BYGOCh. 18 - The definitions of hormone and endocrine systemCh. 18 - Prob. 18.1.2AYLOCh. 18 - Prob. 18.1.3AYLOCh. 18 - Prob. 18.1.4AYLOCh. 18 - Prob. 18.1.5AYLOCh. 18 - Prob. 18.1.6AYLOCh. 18 - Prob. 18.1.7AYLOCh. 18 - Prob. 18.2.1AYLOCh. 18 - Prob. 18.2.2AYLOCh. 18 - Prob. 18.2.3AYLOCh. 18 - Prob. 18.2.4AYLOCh. 18 - Prob. 18.2.5AYLOCh. 18 - Prob. 18.2.6AYLOCh. 18 - Prob. 18.2.7AYLOCh. 18 - The target organs or tissues and the funtions of...Ch. 18 - Prob. 18.2.9AYLOCh. 18 - Prob. 18.3.1AYLOCh. 18 - Prob. 18.3.2AYLOCh. 18 - The location, anatomy, and histology of the...Ch. 18 - Prob. 18.3.4AYLOCh. 18 - Prob. 18.3.5AYLOCh. 18 - Prob. 18.3.6AYLOCh. 18 - Prob. 18.3.7AYLOCh. 18 - The location and structure of the pancreatic...Ch. 18 - Prob. 18.3.9AYLOCh. 18 - Prob. 18.3.10AYLOCh. 18 - Prob. 18.4.1AYLOCh. 18 - Prob. 18.4.2AYLOCh. 18 - Prob. 18.4.3AYLOCh. 18 - The cause and effects of pheochromocytoma of the...Ch. 18 - The cause and effects of endemic goiterCh. 18 - Prob. 18.4.6AYLOCh. 18 - Prob. 1TYRCh. 18 - Prob. 2TYRCh. 18 - Prob. 3TYRCh. 18 - Prob. 4TYRCh. 18 - Prob. 5TYRCh. 18 - Prob. 6TYRCh. 18 - Prob. 7TYRCh. 18 - Prob. 8TYRCh. 18 - Which of these endocrine glands is most directly...Ch. 18 - Prob. 10TYRCh. 18 - Prob. 11TYRCh. 18 - Prob. 12TYRCh. 18 - Prob. 13TYRCh. 18 - Prob. 14TYRCh. 18 - Prob. 15TYRCh. 18 - Prob. 16TYRCh. 18 - Prob. 17TYRCh. 18 - Prob. 18TYRCh. 18 - Prob. 19TYRCh. 18 - Prob. 20TYRCh. 18 - Prob. 1BYMVCh. 18 - Prob. 2BYMVCh. 18 - Prob. 3BYMVCh. 18 - Prob. 4BYMVCh. 18 - Prob. 5BYMVCh. 18 - Prob. 6BYMVCh. 18 - State a meaning of each word element and give a...Ch. 18 - Prob. 8BYMVCh. 18 - Prob. 9BYMVCh. 18 - Prob. 10BYMVCh. 18 - Prob. 1TOFCh. 18 - Prob. 2TOFCh. 18 - Prob. 3TOFCh. 18 - Prob. 4TOFCh. 18 - Prob. 5TOFCh. 18 - Prob. 6TOFCh. 18 - Prob. 7TOFCh. 18 - Prob. 8TOFCh. 18 - Prob. 9TOFCh. 18 - Prob. 10TOFCh. 18 - Prob. 1TYCCh. 18 - Examine the anatomical relationship between the...Ch. 18 - Prob. 3TYCCh. 18 - Prob. 4TYCCh. 18 - Prob. 5TYC
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- Give two examples of feedback control of hormone activity.arrow_forwardEach steroidogenic organ has all the enzymes necessary to produce any steroid hormone. (True or false?)arrow_forwardA physician sees a patient whose symptoms include sluggishness, depression, and intolerance to cold. After eliminating other possible causes, the doctor diagnoses a hormone problem. What disorder fits the symptoms? Why does the doctor suspect that the underlying cause is a malfunction of the anterior pituitary gland?arrow_forward
- Which hormones produced in the posterior and anterior lobes of the pituitary gland have the targets indicated? Below, fill in the blanks using the abbreviations noted in Section 15.3.arrow_forwardSheehan syndrome is a rare condition in women that results from severe blood loss during or after childbirth. Because of the blood loss, the pituitary gland receives insufficient oxygen and nutrients, which causes the death of cells and a permanent deficiency of hormones from the pituitary gland. Sheehan syndrome can be treated with lifelong hormone replacement therapy. List at least 3 endocrine functions that would likely be affected by Sheehan syndrome and explain your reasoning.arrow_forwardBriefly explain why the endocrine system is important. Whats are some facts about the Endocrine that's interesting. Please explain with clarityarrow_forward
- Endocrine regulation of the body is generally significantly slower than neural regulatory mechanisms. Consider the benefits produced by such slow regulation that might have promoted development of this system.arrow_forwardList and describe the functions of the three types of proteins involved in transmission of a hormone signal.arrow_forwardProvide one example of a feedback loop that exists in the endocrine system. State the organ(s) and hormone(s) released from each organ.arrow_forward
- In the 1950s, Earl W. Sutherland, Jr., and his colleagues carried out pioneering experiments to elucidate the mechanism of action ofepinephrine and glucagon. Given what you have learned in this chapter about hormone action, interpret each of the experiments described below. Identify substance X and indicate the significance of the results.(a) Addition of epinephrine to a homogenate of normal liver resulted in an increase in the activity of glycogen phosphorylase. However, when the homogenate was first centrifuged at a high speed and epinephrine or glucagon was added to the clear supernatant fraction that contains phosphorylase, no increase in the phosphorylase activity occurred.(b) When the particulate fraction from the centrifugation in (a) was treated with epinephrine, substance X was produced. The substance was isolated and purified. Unlike epinephrine, substance X activated glycogen phosphorylase when added to the clear supernatant fraction of the centrifuged homogenate.(c)…arrow_forwardPart of the "fountain of youth" solution may lie in hormonal control. Explain which hormone and how this would work.arrow_forwardOne of the main endocrine glands in the human body is the pituitary gland. This gland produces a variety of hormones with different effects. Among these are a heterogeneous group of hormones called tropic hormones, which directly stimulate the secretion of other hormones from downstream endocrine glands. Which of the following are tropic hormones? Select all that apply. LH Prolactin Oxytocin ACTH TSH testosteronearrow_forward
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