Human Anatomy
9th Edition
ISBN: 9780135168059
Author: Marieb, Elaine Nicpon, Brady, Patricia, Mallatt, Jon
Publisher: Pearson Education, Inc.,
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Chapter 17, Problem 18RQ
Summary Introduction
To review:
The location of the endocrine glands in a diagram that develop from:
Roof of the embryonic mouth, floor of the diencephalon, endoderm on the floor of the pharynx, endoderm of the pharyngeal pouches, and neural crest of early sympathetic trunk ganglia.
Introduction:
Glands are classified as endocrine and exocrine glands on the bases of their way to release chemical secretions. Endocrine glands release their secretions directly into the blood and are ductless glands while exocrine glands release their secretions directly to the target sites through the ducts. The chemical secretions of the endocrine gland are known as hormones.
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On a realistic drawing of the endocrine glands in the body, mark and label the endocrine organs that develop from the (a) roof of the embryonic mouth, (b) floor of the diencephalon, (c) endoderm on the floor of the pharynx, (d) endoderm of the pharyngeal pouches (two answers here), (e) neural crest of early sympathetic trunk ganglia.
1) Gross Anatomy and Basic Function of the Endocrine Glands
a)Both the endocrine and nervous systems are major regulating systems of the body; however, the nervous system has been compared to a text message, and the endocrine system to mailing a letter. Briefly explain this comparison.
b) Chemically, hormones belong chiefly to two molecular groups, the___ and the___
c) If hormones travel in the bloodstream, why don't all tissues respond to all hormones?
During an in vitro experiment, it is found that glucocorticoids inhibit the growth of all neural processes, therefore controlling the morphologic characteristics of the chromaffin cells of the adrenal medulla. These modified neurons are most likely stimulated by which of the following mechanisms to release their secretory product?
A) Acetylcholine release from sympathetic fibers
B) Change in the rate of polymerization of metanephrine
C) Decreased blood flow in cortical sinusoidal capillaries
D) Downregulation of corticotropin-releasing factor
E) Increased concentrations of endogenous chromogranins.
Chapter 17 Solutions
Human Anatomy
Ch. 17 - Prob. 1CYUCh. 17 - What are the three type of stimuli that regulate...Ch. 17 - How do tropic hormones secreted by the pituitary...Ch. 17 - Where are the hormones produced that are secreted...Ch. 17 - Name the target organ(s) for each pituitary...Ch. 17 - Prob. 6CYUCh. 17 - Prob. 7CYUCh. 17 - Prob. 8CYUCh. 17 - Prob. 9CYUCh. 17 - Prob. 10CYU
Ch. 17 - Prob. 11CYUCh. 17 - Addison's, Graves', and Cushing’s (sounds like a...Ch. 17 - The major stimulus for the release of estrogens is...Ch. 17 - Choose the correct hormone from the key for each...Ch. 17 - Identify the hormone that is secreted by the...Ch. 17 - Endocrine cells secrete either protein hormones or...Ch. 17 - Prob. 5RQCh. 17 - The divisions of the posterior pituitary are the...Ch. 17 - Prob. 7RQCh. 17 - Prob. 8RQCh. 17 - The anterior lobe of the pituitary gland is the...Ch. 17 - Prob. 10RQCh. 17 - Prob. 11RQCh. 17 - Prob. 12RQCh. 17 - Prob. 13RQCh. 17 - When Joshua explained to his classmate Jennifer...Ch. 17 - Prob. 15RQCh. 17 - Prob. 16RQCh. 17 - Prob. 17RQCh. 17 - Prob. 18RQCh. 17 - Prob. 19RQCh. 17 - Prob. 20RQCh. 17 - Prob. 1CRCAQCh. 17 - Prob. 2CRCAQCh. 17 - Prob. 3CRCAQCh. 17 - Prob. 4CRCAQCh. 17 - Prob. 5CRCAQCh. 17 - For what therapeutic purposes would pharmaceutical...Ch. 17 - Prob. 7CRCAQCh. 17 - Prob. 8CRCAQ
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