Human Physiology: An Integrated Approach (8th Edition)
8th Edition
ISBN: 9780134605197
Author: Dee Unglaub Silverthorn
Publisher: PEARSON
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Chapter 7.3, Problem 14CC
Summary Introduction
To determine: The target tissue of a hypothalamic neurohormone which is secreted into hypothalamic hypophyseal portal-system.
Introduction: The hypophyseal portal-system is a blood vessel system of the brain that connects the hypothalamus (a small region of the brain) with the anterior pituitary.
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Briefly explain the hypothalamo-hypophyseal portal system.
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Chapter 7 Solutions
Human Physiology: An Integrated Approach (8th Edition)
Ch. 7.1 - Name the membrane transport process by which...Ch. 7.1 - What is the suffix in a chemical name that tells...Ch. 7.2 - What is the classic definition of a hormone?Ch. 7.2 - Based on what you know about the organelles...Ch. 7.2 - Prob. 5CCCh. 7.2 - The steroid hormone aldosterone has a short...Ch. 7.3 - In the blood glucose example, the increase in...Ch. 7.3 - Which insulin release pathway in Figure 7.7b is a...Ch. 7.3 - Prob. 9CCCh. 7.3 - Catecholamines belong to which chemical class of...
Ch. 7.3 - What intracellular structure is used for transport...Ch. 7.3 - Prob. 12CCCh. 7.3 - Match the general reflex pathway patterns shown in...Ch. 7.3 - Prob. 14CCCh. 7 - The study of hormones is called _____.Ch. 7 - List the three basic ways hormones act on their...Ch. 7 - List five endocrine glands, and name one hormone...Ch. 7 - Match the following researchers with their...Ch. 7 - Put the following steps for identifying an...Ch. 7 - Prob. 6RQCh. 7 - Prob. 7RQCh. 7 - Prob. 8RQCh. 7 - Prob. 9RQCh. 7 - Prob. 10RQCh. 7 - Prob. 11RQCh. 7 - Why do steroid hormones usually take so much...Ch. 7 - Prob. 13RQCh. 7 - Prob. 14RQCh. 7 - Prob. 15RQCh. 7 - Prob. 16RQCh. 7 - In reflex control pathways involving trophic...Ch. 7 - What characteristic defines neurohormones?Ch. 7 - Prob. 19RQCh. 7 - Prob. 20RQCh. 7 - Prob. 21RQCh. 7 - Prob. 22RQCh. 7 - Prob. 23RQCh. 7 - Prob. 24RQCh. 7 - Compare and contrast the three chemical classes of...Ch. 7 - Map the following groups of terms. Add terms if...Ch. 7 - The terms specificity, receptors, and...Ch. 7 - Prob. 28RQCh. 7 - Some early experiments for male birth control...Ch. 7 - Prob. 30RQCh. 7 - The following graph shows plasma TSH concentration...Ch. 7 - Prob. 32RQ
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- Name three anterior lobe hormones that have reproductive functions and three that have nonreproductive roles.What target organs are stimulated by each of thesehormones?arrow_forwardwhat are the specific names of the target cells of the anterior pituitary gland (adenohypophysis) that are regulated by hormones of the hypothalamus?arrow_forwardCongenital adrenal hyperplasia is a condition where individuals have a mutation in the 21 hydroxylase gene, so that the enzyme 21-hydroxylase is non functional. a)Which hormones would nit be produced in these individuals? b)What will happen to the amount of progesterone in the blood?arrow_forward
- 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.arrow_forwardWhat is the role of the hypothalamic and hypophyseal portal vessels?arrow_forwardDistinguish between mineralocorticoid and glucocorticoidhormones.arrow_forward
- Describe the chemical nature and function of two posterior-lobe hormones, oxytocin and vasopressin. What is distinctive about the way these neurosecretory hormones are secreted compared with the neurosecretory release and release-inhibiting hormones that control the anterior pituitary hormones?arrow_forwardCompare and contrast the structure and functions ofhypothalamic neurosecretory neurons that send their axonsto the posterior pituitary gland with those of hypothalamicneurosecretory neurons that have axons terminating on thecapillary network of the median eminence.arrow_forwardwhich endocrine tissue synthesizes catecholamines ? what are the two main catecholamines it produces ?arrow_forward
- 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.arrow_forward1)What tissue regulates both the adenohypophysis and the neurohypophysis? Does this tissue regulate lots of physiological functions? Give a few examples. 2) All of the following are directly controlled by a hormonal stimulus from the hypothalamus EXCEPT… a)GH, Growth hormone b) FSH c) Oxytocin. d) TSH, Thyroid Stimulating Hormone 3) How would a tumor in cells that produce TSH affect levels of TSH in the blood? increase / decrease / normal 4) How would this affect hormone secretion by the target cells of TSH? increase / decrease / normalarrow_forwardName five additional hormone-secreting organs.arrow_forward
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