General Abdomen: Peritoneum Anatomy & Physiology

Peritoneum

• Bidirectional Semipermeable Membrane Lining the Abdominal Cavity
  • Absorbs Blood Through Lymphatics
• Made of Simple Squamous Epithelium

Subdivisions

• Visceral Peritoneum
  • Covers Stomach, Small Intestine, Liver, Spleen & Transverse Colon
  • Few Nerve Fibers – Poor Pain Localization
  • Blood Supply: Splanchnic Vessels
• Parietal Peritoneum
  • Covers Abdominal Wall, Pelvis & Diaphragm
  • Blood Supply: Intercostals, Subcostals, Lumbar & Iliac Vessels

Retroperitoneum

• *See General Abdomen: Retroperitoneum Anatomy & Physiology