Human Physiology
15th Edition
ISBN: 9781259864629
Author: Fox, Stuart Ira
Publisher: Mcgraw-hill Education,
expand_more
expand_more
format_list_bulleted
Videos
Question
Chapter 19, Problem 15aCP
Summary Introduction
To review:
The steps involved in the formation of 1,25-hydroxyvitamin D3 along with the effect of parathyroid hormone on this formation.
Introduction:
The hormonal secretions of thyroid gland and parathyroid gland aid in the regulation of calcium level in the body. 1,25-hydroxyvitamin D3 is the active form of vitamin D3. 1,25-hydroxyvitamin D3 is produced in the kidney from 25-hydroxyvitamin D3, which is a derivative of vitamin D produced by the skin.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
List the similarities and differences between prothoracicotropic hormone (PTTH) and ecdysone. Consider the structural and functional characteristics of both molecules.
Give five (5) differences of steroid hormone and peptide hormone.
List four effects of prostaglandins.
Chapter 19 Solutions
Human Physiology
Ch. 19 - Explain how the metabolic rate is influenced by...Ch. 19 - Prob. 2aCPCh. 19 - Prob. 2bCPCh. 19 - Prob. 3CPCh. 19 - Distinguish between the energy reserves and...Ch. 19 - Prob. 5CPCh. 19 - Identify the brain regions involved in hunger and...Ch. 19 - Prob. 7CPCh. 19 - Describe how the secretions of insulin and...Ch. 19 - Prob. 8bCP
Ch. 19 - Define the following terms: glycogenolysis,...Ch. 19 - Prob. 9CPCh. 19 - Prob. 10aCPCh. 19 - Prob. 10bCPCh. 19 - Explain the meaning of the terms insulin...Ch. 19 - Prob. 12aCPCh. 19 - Prob. 12bCPCh. 19 - Prob. 13aCPCh. 19 - Prob. 13bCPCh. 19 - Describe the mechanisms by which the secretion of...Ch. 19 - Prob. 15aCPCh. 19 - Prob. 15bCPCh. 19 - Prob. 15cCPCh. 19 - ln questions 1-5, match the item to the correct...Ch. 19 - Prob. 2RACh. 19 - Prob. 3RACh. 19 - Prob. 4RACh. 19 - Prob. 5RACh. 19 - Prob. 6RACh. 19 - Prob. 7RACh. 19 - Prob. 8RACh. 19 - Prob. 9RACh. 19 - The increased intestinal absorption of calcium is...Ch. 19 - Prob. 11RACh. 19 - Prob. 12RACh. 19 - Prob. 13RACh. 19 - Prob. 14RACh. 19 - Prob. 15RACh. 19 - Prob. 16RACh. 19 - Prob. 17RACh. 19 - Prob. 18RACh. 19 - Prob. 19RACh. 19 - Prob. 20RACh. 19 - Prob. 21RACh. 19 - Prob. 22RACh. 19 - Prob. 23RACh. 19 - Prob. 24RACh. 19 - Prob. 25RACh. 19 - Prob. 26RACh. 19 - Prob. 27RACh. 19 - Describe the conditions of gigantism, acromegaly,...Ch. 19 - Describe how hormones secreted by the...Ch. 19 - Prob. 30RACh. 19 - Prob. 31RACh. 19 - Prob. 32RACh. 19 - Prob. 33RACh. 19 - Prob. 34RACh. 19 - Prob. 35RACh. 19 - Prob. 36RACh. 19 - Prob. 37RACh. 19 - Prob. 38RACh. 19 - Prob. 39RACh. 19 - Prob. 40RACh. 19 - Prob. 41RACh. 19 - Prob. 42RACh. 19 - Prob. 43RA
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Describe a mechanism by which a steroid hormone might act to increaseintracellular levels of cyclic AMParrow_forwardWrite down the biochemical functions and pathophysiology of growth hormone?arrow_forwardTwo steps in the synthesis of tadalafil, a drug sold under the trade nameCialis for the treatment of erectile dysfunction, are shown. Identifyintermediate A, and draw a mechanism for the conversion of A totadalafil.arrow_forward
- Explain why a deficiency of steroid 21-hydroxylase leads to excessive pro- duction of sex steroids (androgens and estrogens).arrow_forwardThe synthetic pathways for many steroid hormones are shown in Fig. 23-1 in Silverthorn. This Is shown in a simplified format below with several intermedlate steps omitted. Cholesterol Progesterone Andro- Testosterone Dihydro- stenedione testosterone 21-hydroxylase Estradiol Aldosterone and cortisol Aldosterone is an important steroid hormone that regulates water and salt balance. People with congenital adrenal hyperplasia suffer from "salt wasting" if not treated with hormone replacement therapy. Explain why a mutation in the 21-hydroxylase gene results in a deficiency in aldosterone and cortisol production. Use the name of the substrate, the enzyme and the product in your answer!arrow_forwardDescribe the chemical nature of prostaglandins. List some of the different forms of prostaglandins and describe their actions.arrow_forward
- Describe the production and significance of the prostaglandins.arrow_forwardWhat is the result of a lack of oxaloacetate?arrow_forwardDescribe the most important actions of neurohypophyseal hormones. What are the effects of under secretion and oversecretion? Give some of the most common examples.arrow_forward
- Discuss the effective biological difference between testosterone and dihydrotestosterone (DHT).arrow_forwardWhat are the physiological effects of prostaglandins, explain how aspirin can block the synthesis of prostaglandins?arrow_forwardName one hormone produced by each of the following organs—the heart, liver, and placenta—and state the function of each hormone?.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Essentials of Pharmacology for Health ProfessionsNursingISBN:9781305441620Author:WOODROWPublisher:Cengage
Essentials of Pharmacology for Health Professions
Nursing
ISBN:9781305441620
Author:WOODROW
Publisher:Cengage
What is Metabolism?; Author: Stated Clearly;https://www.youtube.com/watch?v=nRq6N5NGD1U;License: Standard youtube license