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The main difference between visceral and parietal is that visceral is one of the two layers of the serous membrane, covering the organs, whereas parietal is the second layer of the serous membrane, lining the walls of the body cavity.
Your peritoneum is a membrane that lines the inside of your abdomen and pelvis (parietal layer). It also covers many of your organs inside (visceral layer). The space in between these layers is called your peritoneal cavity.
The peritoneum consists of two layers that are continuous with each other: the parietal peritoneum and the visceral peritoneum. Both types are made up of simple squamous epithelial cells called mesothelium.
The main difference between visceral and parietal pericardium is that visceral pericardium is the innermost layer of the pericardium, whereas parietal pericardium is the outer layer. Visceral and parietal pericardium are two layers of the serous pericardium, a thin, fibrous membrane.
Between its two layers – parietal and visceral – is the peritoneal cavity. The peritoneum functions to support and protect abdominopelvic organs. This article will discuss the anatomy of the peritoneum, including key related topics; peritoneal cavity, omenta, mesentery, ligaments, and peritoneal relations.
The visceral peritoneum receives supply from the superior and inferior mesenteric arteries. The two portions of the peritoneum also differ in their venous drainage: the parietal peritoneum drains into the inferior vena cava while the visceral peritoneum drains into the portal vein.
Serous fluid produced by these membranes is located between the visceral and parietal layers. Serous membranes are named not only using the terms "visceral" and "parietal", but also describing the body cavity where they are located.
The peritoneum is a serous membrane that consists of two layers: parietal peritoneum and visceral peritoneum (Figure 8-1A–C). The parietal peritoneum lines the internal walls of the abdominal cavity, forming a closed sac known as the peritoneal cavity .
The visceral peritoneum invests and envelopes the peritoneal viscera such as the stomach, liver, and small intestine. It also supports the organs of the abdomen and acts as a conduit for the passage of nerves, blood vessels, and lymphatics.
The layer of peritoneum that lines the body wall is called 'parietal peritoneum' (Lat. paries=wall). The layer that is adhered to an organ is called 'visceral peritoneum' (Lat. viscus=internal organ).