PRIN.OF HUMAN ANATOMY (LL)
15th Edition
ISBN: 9781119662761
Author: Tortora
Publisher: WILEY
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Chapter 21, Problem 38CP
Summary Introduction
To review:
The physiology and anatomy of fetal circulation and the functions of foramen ovale, umbilical arteries, ductus arteriosus, umbilical vein, and ductus venosus.
Introduction:
The blood circulation that occurs in a fetus (unborn baby) is termed as fetal circulation. The special structures in fetal circulation enable developing embryo to exchange materials like nutrients with its mother.
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Tell which vessel is missing from the following vascular circuit: Tracing the circulation to and from the placenta, a drop of blood travels in the fetus from the left ventricle to the aorta, to a common iliac artery, to an internal iliac artery, to an umbilical artery, to capillaries in the placenta, to the ductus venosus, to a hepatic vein, to the inferior vena cava, to the right atrium, to the foramen ovale, to the left atrium, and to the left ventricle. (a) umbilical vein, (b) ligamentum arteriosum, (c) internal carotid artery, (d) capillaries in the small intestine.
List the five structures of fetal circulation, and identify the function of each.
Trace the blood flow in the fetal circulation from the placenta to the heart and then back to the placenta. Indicate where it bypasses regular adult circulatory pathways. Indicate all structures the blood passes through (including valves). Also indicate where it turns from oxygenated into deoxygenated and back again.
Chapter 21 Solutions
PRIN.OF HUMAN ANATOMY (LL)
Ch. 21 - Prob. 1CPCh. 21 - Prob. 2CPCh. 21 - Prob. 3CPCh. 21 - Prob. 4CPCh. 21 - Prob. 5CPCh. 21 - Prob. 6CPCh. 21 - Prob. 7CPCh. 21 - Define edema and describe how it develops.Ch. 21 - Prob. 9CPCh. 21 - Prob. 10CP
Ch. 21 - Prob. 11CPCh. 21 - Prob. 12CPCh. 21 - Prob. 13CPCh. 21 - Prob. 14CPCh. 21 - Prob. 15CPCh. 21 - Prob. 16CPCh. 21 - Prob. 17CPCh. 21 - Prob. 18CPCh. 21 - Prob. 19CPCh. 21 - Prob. 20CPCh. 21 - Prob. 21CPCh. 21 - 22. Describe the types of shock and their causes...Ch. 21 - What is the purpose of systemic circulation?Ch. 21 - Prob. 24CPCh. 21 - Prob. 25CPCh. 21 - Prob. 26CPCh. 21 - Prob. 27CPCh. 21 - Prob. 28CPCh. 21 - Prob. 29CPCh. 21 - Prob. 30CPCh. 21 - Prob. 31CPCh. 21 - Prob. 32CPCh. 21 - Prob. 33CPCh. 21 - Prob. 34CPCh. 21 - Prob. 35CPCh. 21 - Prob. 36CPCh. 21 - Prob. 37CPCh. 21 - Prob. 38CPCh. 21 - Prob. 39CPCh. 21 - Prob. 40CPCh. 21 - 1. Kim Sung was told that her baby was born with a...Ch. 21 - 2. Michael was brought into the emergency room...Ch. 21 - Prob. 3CTQ
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