Principles of Anatomy and Physiology
16th Edition
ISBN: 9781119662792
Author: Tortora, Gerard J., DERRICKSON, Bryan H.
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.
Identify the differences between fetal and adult circulation patterns, and describe the changes in the patterns of blood flow that occur at birth.
Chapter 21 Solutions
Principles of Anatomy and Physiology
Ch. 21 - Prob. 1CPCh. 21 - Prob. 2CPCh. 21 - Prob. 3CPCh. 21 - Prob. 4CPCh. 21 - Prob. 5CPCh. 21 - Prob. 6CPCh. 21 - Prob. 7CPCh. 21 - Prob. 8CPCh. 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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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 the structures that relate to fetal circulation.arrow_forwardDescribe the specific structures unique to the fetal circulation?arrow_forwardCirculation of blood inside a human fetus’ body is different than that of an adult. Describe one functional or structural difference between adult and fetal circulation (other than the size of the organs), and explain why it is important during development.arrow_forward
- Name the structures in the fetal circulation that stop functioning at birth. What becomes of these structures?arrow_forwardDefine ductus arteriosusarrow_forwardDescribe the patterns of blood flow in interatrial and interventricular septal defects, and in a patent foramen ovale in both a fetus and an adult.arrow_forward
- Give the exact location of mitral valve.arrow_forwardHow is the heart developed and what are the areas of potential abnormalities which may develop through the embryonic and fetal periods?arrow_forwardDraw and Label the sheep’s heart in the external anterior and posterior views. Include the coronary arteries and cardiac veins. List the similarities and differences in the microanatomy of arteries and veins.arrow_forward
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