Human Anatomy (9th Edition)
9th Edition
ISBN: 9780134320762
Author: Frederic H. Martini, Robert B. Tallitsch, Judi L. Nath
Publisher: PEARSON
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Chapter 25, Problem 3CT
From the lumen outward, what six histological layers form the wall of the digestive tract?
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what are the general structural features of the four concentric layers of the digestive tract and discuss each.
How does the muscularis of the large intestine diff er from that of the rest of the gastrointestinal tract? What are haustra?
All the structures of the alimentary canal have 4 similar major histological tissues . Which of the following descriptions of the tissue layers contains innacurate information?
A) The mucosa layer consits of a simple epithelium (responsible for absoprtion), a lamina proprioa (supports the epithelium) and muscularis mucosae (thats ivolved with peristalsis.
B) The muscularis externa has 2 or 3 layers of smooth msulce and is involced with persistalsis
C) The submucosa layer is a connective tissue layer that anchors the mucosa layer and contains many blood vessels, lyphatic vessels, and nerves
D) The serosa layer is a connective tissue layer that tethers the alimnetary canal to the appropirate body cavitities.
I believe that D is false but I am not certain
Chapter 25 Solutions
Human Anatomy (9th Edition)
Ch. 25 - Match each numbered item with the most closely...Ch. 25 - Match each numbered item with the most closely...Ch. 25 - Prob. 3RFTCh. 25 - Prob. 4RFTCh. 25 - Prob. 5RFTCh. 25 - Prob. 6RFTCh. 25 - Match each numbered item with the most closely...Ch. 25 - Prob. 8RFTCh. 25 - Prob. 9RFTCh. 25 - Match each numbered item with the most closely...
Ch. 25 - Prob. 11RFTCh. 25 - Prob. 12RFTCh. 25 - Prob. 13RFTCh. 25 - Prob. 14RFTCh. 25 - The ____ are double sheets of peritoneal membrane...Ch. 25 - The activities of the digestive system are...Ch. 25 - Prob. 17RFTCh. 25 - Prob. 18RFTCh. 25 - The mesentery that suspends most of the small...Ch. 25 - Prob. 20RFTCh. 25 - Prob. 21RFTCh. 25 - Prob. 1RCCh. 25 - Prob. 2RCCh. 25 - 3. How would damage or removal of parts of the...Ch. 25 - Prob. 4RCCh. 25 - 5. What is the function of the hepatopancreatic...Ch. 25 - Prob. 6RCCh. 25 - Prob. 7RCCh. 25 - Prob. 8RCCh. 25 - Prob. 9RCCh. 25 - Prob. 10RCCh. 25 - Prob. 1CTCh. 25 - Prob. 2CTCh. 25 - From the lumen outward, what six histological...
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- Name three part of large intestine. Which vestigial organ arises from the first part of it ?arrow_forwardProjections of the small intestinal mucosa that protrude into the lumen and increase the surface area are the: chordae tendineae plicae circularis haustra Peyer's patchesarrow_forwardHow does the structure of the intestinal mucosa maximize surface area?arrow_forward
- Why is the internal surface of the small intestine arranged into progressively smaller folds? What are these folds called?arrow_forwardhistological differences between small and large intestines?arrow_forwardWhat are the three anatomic structures that increase the surface area of the small intestine? Describe each.arrow_forward
- From the esophagus to the anal canal, the walls of the digestive tract are made of the same four basic layers. Arrange them in order from the lumen outward. mucosa, submucosa, muscularis externa, serosa mucosa, submucosa, serosa, muscularis externa muscularis externa, serosa, mucosa, submucosa serosa, mucosa, submucosa, muscularis externaarrow_forwardWhat are the major characteristics of the layers (mucosa, submucosa, muscularis externa and adventitia) in eachof the 4 major regions of the GI tract and what does that tell you about the function of each of those sections?arrow_forwardHow can you differentiate between the serosa and the mucosa under the microscope? b. How is the muscularis of the stomach unlike the muscularis of the other regions of the GI tract? c. What is the main histological difference between the mucosa and the submucosa?arrow_forward
- Anatomy of the digestive tract Label the parts of the digestive system: anus, appendix, cecum, colon, esophagus, gall bladder, liver, mouth, pancreas, parotid gland, pharynx, rectum, small intestine, stomach, sublingual salivary gland, submandibular salivary gland 147arrow_forwardDifferentiate histologically the three regions of the small intestine by giving and describing the distinct characteristics of each region.arrow_forwardList the sections of the large intestine in order starting with the cecum (do not include the appendix). What type of epithelium lines the large intestine? How does the lining protect itself against increasingly dry and abrasive contents? What are the haustra?arrow_forward
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