Human Anatomy
9th Edition
ISBN: 9780135168059
Author: Marieb, Elaine Nicpon, Brady, Patricia, Mallatt, Jon
Publisher: Pearson Education, Inc.,
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Textbook Question
Chapter 3, Problem 4CYU
Describe gastrulation. During which week of embryonic development does it occur?
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Chapter 3 Solutions
Human Anatomy
Ch. 3 - Dining which prenatal period is the basic body...Ch. 3 - Which abdominal structures form from the inner...Ch. 3 - Using directional terms (Table 1.1), describe the...Ch. 3 - Describe gastrulation. During which week of...Ch. 3 - What structure induces the formation of the neural...Ch. 3 - Which type or types of mesoderm Cluster into...Ch. 3 - After folding takes place, which embryonic germ...Ch. 3 - Does endoderm form the inner Iining of the inner...Ch. 3 - Which part of the somite forms the vertebrae and...Ch. 3 - What does the splanchnic lateral plate mesoderm...
Ch. 3 - A birth defect in the heart is caused by a...Ch. 3 - Why is respiratory distress common in babies born...Ch. 3 - 1ndicate whether each of the following relates to...Ch. 3 - The outer layer of the blastocyst, which attaches...Ch. 3 - Most birth defects can be traced to disruption of...Ch. 3 - The primary germ layer that forms the trunk...Ch. 3 - Each embryonic structure in column B with its...Ch. 3 - Match each date in column B [approximate time...Ch. 3 - It is currently possible to save some premature...Ch. 3 - Somites are evidence of (a) a structure from...Ch. 3 - Which of the following embryonic structures are...Ch. 3 - Prob. 10RQCh. 3 - When it is 1.5 months old, an average embryo is...Ch. 3 - Gastrulation is the (a) formation of three germ...Ch. 3 - The epiblast forms (a) only the ectoderm, (b) the...Ch. 3 - The limbs develop during the (a) start of the...Ch. 3 - The notochord develops primarily from (a)...Ch. 3 - The fetal period is (a) the �rst 8 weeks of...Ch. 3 - What important event occurs at the primitive...Ch. 3 - What is the function of the amniotic sac and the...Ch. 3 - (a) What is mesenchyme? (b) How does it differ...Ch. 3 - Explain how the flat embryonic disc takes on the...Ch. 3 - In anatomy lab, Thaya pointed to the vertebrae of...Ch. 3 - Neural crest is the one embryonic tissue that is...Ch. 3 - Many embryonic events �rst occur cranially, then...Ch. 3 - Prob. 24RQCh. 3 - Differentiate the outer tube from the inner tube....Ch. 3 - Before Delta studied embryology in her anatomy...Ch. 3 - A friend in your dormitory, a freshman, tells you...Ch. 3 - Insufficient folic acid in the early weeks of...Ch. 3 - Your cat finds a large ball of string and starts...Ch. 3 - When is the earliest time the sex of a fetus can...
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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 movement of cells during early development that change an embryo from a blastula to a gastrula. Name the three main germ layers, describe their relative locations, and list the fates of the cells descended from each layer. What is the name and significance of the opening in the gastrula?arrow_forwardDescribe the events of gastrulation and the germ layers that result.arrow_forwardDiscuss the process of gastrulation and embryonic folding?arrow_forward
- Gastrulation is the (a) formation of three germ layers by the epiblast at the primitive streak, (b) formation of the placenta, (c) same as cleavage, (d) folding of the gut into a tube during week 4.arrow_forwardDescribe the gastrulation by using embryos of the sea star as an example.And describe the way in which the mass of inert yolk influences the gastrulation in bird and frog embryos.arrow_forwardDraw and label the parts of Gastrulationarrow_forward
- What are the three main cell types formed during gastrulation? Give examples of which tissues are formed from each cell type.arrow_forwardWhen does gastrulation occur?arrow_forwardRegarding mammals, amphibians, and reptiles, explain thoroughly in what way does the inert yolk's mass affects their gastrulation?arrow_forward
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