Principles of Anatomy and Physiology
16th Edition
ISBN: 9781119662792
Author: Tortora, Gerard J., DERRICKSON, Bryan H.
Publisher: WILEY
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Chapter 29, Problem 25CP
Summary Introduction
To review:
Development of any one fetal body structure till the end of gestation period.
Introduction:
Fetal period begins at the 9th week of gestation till 38–40 weeks. This period is marked for the growth and differentiation of the body organs and size. There is a rapid growth of the fetus during the fetal period.
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Early Embryonic Development
Match the following terms to the descriptor. NOTE: If you want to change your selection, you'll need to delete the one you already chose. After you delete it,
the list of choices will pop back up and you can make a different choice.
Organogenesis
Hollow ball of cells
Gastrulation
Formation of organs
Cleavage
Rapid cell division
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Blastula
Contrast embryonic development with fetal development.
Explain why the embryonic period is so important.
Chapter 29 Solutions
Principles of Anatomy and Physiology
Ch. 29 - 1. What is pregnancy?
Ch. 29 - 2. What are the major events of each trimester?
Ch. 29 - Prob. 3CPCh. 29 - How is polyspermy prevented?Ch. 29 - Prob. 5CPCh. 29 - Describe the layers of a blastocyst and their...Ch. 29 - Prob. 7CPCh. 29 - 8. What are the functions of the trophoblast?
Ch. 29 - How is the bilaminar embryonic disc formed? ^Ch. 29 - Prob. 10CP
Ch. 29 - Prob. 11CPCh. 29 - When does gastrulation occur?Ch. 29 - Prob. 13CPCh. 29 - Prob. 14CPCh. 29 - Describe how neurulation occurs. Why is it...Ch. 29 - Prob. 16CPCh. 29 - Prob. 17CPCh. 29 - 18. How does the placenta form?
Ch. 29 - Prob. 19CPCh. 29 - Prob. 20CPCh. 29 - What is the origin of the structures of the head...Ch. 29 - Prob. 22CPCh. 29 - What changes occur in the limbs during the second...Ch. 29 - What are the general developmental trends during...Ch. 29 - Prob. 25CPCh. 29 - 26. What are some of the symptoms of fetal alcohol...Ch. 29 - How does cigarette smoking affect embryonic and...Ch. 29 - What conditions can be detected using fetal...Ch. 29 - List the hormones involved in pregnancy, and...Ch. 29 - 30. What structural and functional changes occur...Ch. 29 - 31. Which changes in pregnancy have an effect on...Ch. 29 - Prob. 32CPCh. 29 - Prob. 33CPCh. 29 - What happens during the stage of dilation, the...Ch. 29 - Why are respiratory and cardiovascular adjustments...Ch. 29 - Which hormones contribute to lactation? What is...Ch. 29 - Prob. 37CPCh. 29 - What do the terms genotype, phenotype, dominant,...Ch. 29 - What are genomic imprinting and nondisjunction?Ch. 29 - Give an example of incomplete dominance.Ch. 29 - 41. What is multiple-allele inheritance? Give an...Ch. 29 - Define complex inheritance and give an example.Ch. 29 - 43. Why does X-chromosome inactivation occur?
Ch. 29 - Kathy is breastfeeding her infant and is...Ch. 29 - 2. Jack has hemophilia, which is a sex-linked...Ch. 29 - Alisa has asked her obstetrician to save and...
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- Define and describe the main features of the following developmental stages: fertilization, cleavage, gastrulation.arrow_forwardMatch each developmental stage with its description.arrow_forwardA Survey of Human Development from Fertilization to Birth 4. The gestation of a fetus occurs over 9 months and is divided into three trimesters. Describe the major events that occur in each trimester. Is there a point at which the fetus becomes more human?arrow_forward
- Identify and describe the stages of human embryonic developmentarrow_forwardList the four primary tissue types of the adult body and identify which of the three primary germ layers of the embryo predominantly gives rise to each?arrow_forwardExplain the main features of embryonic and foetal development.arrow_forward
- During the organogenesis stage, several of the five essential developmental processes take place. Choose two of these essential processes and describe how and when they occur during the organogenesis stage. Be specific about the cells, tissues, and organs involved and the results.arrow_forwardfrom fertilization through week eight of development, a conceptus is specifically called a: embryo, zygote, fetus, or infant.?arrow_forwardExamine the fetal development models and describe the position of the fetus in the uterus.arrow_forward
- Describe the major events that occur during embryonic development, and give the time period during which they occurarrow_forwardEmily and her husband are thrilled as they peer into Emily's uterus by means of an ultrasound. The physician reports that the pregnancy appears normal and that their baby's organs, spine, and arms and legs are developing as expected. Given this information, the current stage of prenatal development is the embryonic period germinal period zygotic period fetal stage placentaarrow_forwardDescribe the major developments during each trimester of human gestation.Describe the major developments during each trimester of human gestation.arrow_forward
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