The abdominopelvic cavity is lined with a serous membrane dubbed the peritoneum. This membrane expands from the interior surface that the abdominal wall surface to totally or partially surround organs of the abdominopelvic cavities.

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The peritoneum is a serous membrane that is composed of 2 layers: parietal peritoneum and visceral peritoneum (Figure 8-1A–C). The parietal peritoneum present the internal walls that the abdominal muscle cavity, forming a closeup of the door sac recognized as the peritoneal cavity. The peritoneal cavity is completely closed in males. In females, the peritoneal cavity has actually two openings wherein the uterine tubes, uterus, and vagina carry out a passage to the outside. The parietal peritoneum reflects off that the posterior ab wall, developing a fused, twin layer that peritoneum bordering the blood vessels, nerves, and also lymphatics to ab organs. This double layer that peritoneum, recognized as the mesentery, suspends the jejunum and ileum indigenous the posterior abdominal wall. The peritoneum the surrounds the gut tube is dubbed the visceral peritoneum. The peritoneal membranes develop a serous liquid that lubricates the peritoneal surfaces, enabling the intraperitoneal organs come slide across one an additional with minimal friction.

Figure 8-1Graphic run Location

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A. Sagittal ar of the peritoneum and also mesentery. B. Partnership of the mesentery and neurovascular it is provided to the intraperitoneal organs. C. Axial (cross-section) the the peritoneum and also mesentery.