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Serosa

Most of the small intestine protrudes into an internal body cavity, the peritoneal cavity, and is therefore, covered by a serosa, consisting of a simple squamous epithelium (mesothelium) and a small amount of connective tissue. This serosa, called visceral peritoneum, produces a lubricating fluid that reduces friction between the organs. A portion of the duodenum is retroperitoneal, covered only on its anterior surface by a serosa. The posterior surface, where it contacts the posterior body wall, has an adventitia only. 800x

Serosa <p>Most of the small intestine protrudes into an internal body cavity, the peritoneal cavity, and is therefore, covered by a serosa, consisting of a simple squamous epithelium (mesothelium) and a small amount of connective tissue. This serosa, called visceral peritoneum, produces a lubricating fluid that reduces friction between the organs. A portion of the duodenum is retroperitoneal, covered only on its anterior surface by a serosa. The posterior surface, where it contacts the posterior body wall, has an adventitia only. 800x</p>

Serosa

Most of the small intestine protrudes into an internal body cavity, the peritoneal cavity, and is therefore, covered by a serosa, consisting of a simple squamous epithelium (mesothelium) and a small amount of connective tissue. This serosa, called visceral peritoneum, produces a lubricating fluid that reduces friction between the organs. A portion of the duodenum is retroperitoneal, covered only on its anterior surface by a serosa. The posterior surface, where it contacts the posterior body wall, has an adventitia only. 800x

- Mesothelium <p>Most of the small intestine protrudes into an internal body cavity, the peritoneal cavity, and is therefore, covered by a serosa, consisting of a simple squamous epithelium (mesothelium) and a small amount of connective tissue. This serosa, called visceral peritoneum, produces a lubricating fluid that reduces friction between the organs. A portion of the duodenum is retroperitoneal, covered only on its anterior surface by a serosa. The posterior surface, where it contacts the posterior body wall, has an adventitia only. 800x</p>

- Mesothelium

Most of the small intestine protrudes into an internal body cavity, the peritoneal cavity, and is therefore, covered by a serosa, consisting of a simple squamous epithelium (mesothelium) and a small amount of connective tissue. This serosa, called visceral peritoneum, produces a lubricating fluid that reduces friction between the organs. A portion of the duodenum is retroperitoneal, covered only on its anterior surface by a serosa. The posterior surface, where it contacts the posterior body wall, has an adventitia only. 800x

- Connective tissue <p>Most of the small intestine protrudes into an internal body cavity, the peritoneal cavity, and is therefore, covered by a serosa, consisting of a simple squamous epithelium (mesothelium) and a small amount of connective tissue. This serosa, called visceral peritoneum, produces a lubricating fluid that reduces friction between the organs. A portion of the duodenum is retroperitoneal, covered only on its anterior surface by a serosa. The posterior surface, where it contacts the posterior body wall, has an adventitia only. 800x</p>

- Connective tissue

Most of the small intestine protrudes into an internal body cavity, the peritoneal cavity, and is therefore, covered by a serosa, consisting of a simple squamous epithelium (mesothelium) and a small amount of connective tissue. This serosa, called visceral peritoneum, produces a lubricating fluid that reduces friction between the organs. A portion of the duodenum is retroperitoneal, covered only on its anterior surface by a serosa. The posterior surface, where it contacts the posterior body wall, has an adventitia only. 800x

Blood vessels <p>Most of the small intestine protrudes into an internal body cavity, the peritoneal cavity, and is therefore, covered by a serosa, consisting of a simple squamous epithelium (mesothelium) and a small amount of connective tissue. This serosa, called visceral peritoneum, produces a lubricating fluid that reduces friction between the organs. A portion of the duodenum is retroperitoneal, covered only on its anterior surface by a serosa. The posterior surface, where it contacts the posterior body wall, has an adventitia only. 800x</p>

Blood vessels

Most of the small intestine protrudes into an internal body cavity, the peritoneal cavity, and is therefore, covered by a serosa, consisting of a simple squamous epithelium (mesothelium) and a small amount of connective tissue. This serosa, called visceral peritoneum, produces a lubricating fluid that reduces friction between the organs. A portion of the duodenum is retroperitoneal, covered only on its anterior surface by a serosa. The posterior surface, where it contacts the posterior body wall, has an adventitia only. 800x

Muscularis externa <p>Most of the small intestine protrudes into an internal body cavity, the peritoneal cavity, and is therefore, covered by a serosa, consisting of a simple squamous epithelium (mesothelium) and a small amount of connective tissue. This serosa, called visceral peritoneum, produces a lubricating fluid that reduces friction between the organs. A portion of the duodenum is retroperitoneal, covered only on its anterior surface by a serosa. The posterior surface, where it contacts the posterior body wall, has an adventitia only. 800x</p>

Muscularis externa

Most of the small intestine protrudes into an internal body cavity, the peritoneal cavity, and is therefore, covered by a serosa, consisting of a simple squamous epithelium (mesothelium) and a small amount of connective tissue. This serosa, called visceral peritoneum, produces a lubricating fluid that reduces friction between the organs. A portion of the duodenum is retroperitoneal, covered only on its anterior surface by a serosa. The posterior surface, where it contacts the posterior body wall, has an adventitia only. 800x

Main Slide Serosa - Mesothelium - Connective tissue Blood vessels Muscularis externa