Table of Contents
What hold the digestive tract in place?
The mesentery is a continuous set of tissues located in your abdomen. It attaches your intestines to the wall of your abdomen and holds them in place.
What membrane is found in the digestive tract?
The mucosa, or mucous membrane layer, is the innermost tunic of the wall. It lines the lumen of the digestive tract. The mucosa consists of epithelium, an underlying loose connective tissue layer called lamina propria, and a thin layer of smooth muscle called the muscularis mucosa.
How does the peritoneum anchor the digestive organs?
The visceral peritoneum includes multiple large folds that envelope various abdominal organs, holding them to the dorsal surface of the body wall. Within these folds are blood vessels, lymphatic vessels, and nerves that innervate the organs with which they are in contact, supplying their adjacent organs.
What is the stomach membrane called?
gastric mucosa
The inner surface of the stomach is lined by a mucous membrane known as the gastric mucosa. The mucosa is always covered by a layer of thick mucus that is secreted by tall columnar epithelial cells.
Are the kidneys in the peritoneal cavity?
The kidneys are bean-shaped organs located in the upper retroperitoneal region of the abdomen. That is, they are located behind the smooth peritoneal lining of the upper part of the abdominal cavity, between it and the posterior body wall. Therefore, they are actually outside the peritoneal cavity.
What are the 3 tissues in the stomach?
The stomach is made up of several layers of tissue:
- The mucosa (mucous membrane) is the inner lining of the stomach.
- The next layer that covers the mucosa is the submucosa.
- The muscularis propria (or muscularis externa) is the next layer that covers the submucosa.
What are the 5 major peritoneal folds?
The peritoneum folds into five key components (see below): the greater omentum, the lesser omentum, the falciform ligament, the small bowel mesentery, and the mesocolon. The folds extend over the viscera and also line the abdominal cavity.
What are the sheets of peritoneal membrane called?
the sheets of peritoneal membrane that hold the digestive tract in place are called: mesenteries from the esophagus to the anal canal, the walls of every organ of the alimentary canal are made up of the same four basic layers.
Where are the mesenteries located in the digestive system?
the sheets of peritoneal membrane that hold the digestive tract in place are called mesenteries from the esophagus to the anal canal, the walls of each organ of the alimentary canal are made up of the same four basic layer.
How is food broken down in the digestive system?
Terms in this set (68) wavelength smooth muscle contractions that move food through the alimentary tube peristalsis chemical or mechanical process of breaking down food to substances that can be absorbed digestion enzymatic breakdown of any type of food molecule hydrolysis