Hernia, Abdominal

**Definition:** A protrusion of abdominal structures through the retaining ABDOMINAL WALL. It involves two parts: an opening in the abdominal wall, and a hernia sac consisting of PERITONEUM and abdominal contents. Abdominal hernias include groin hernia (HERNIA, FEMORAL; HERNIA, INGUINAL) and VENTRAL HERNIA.

**Tree numbers:** - C23.300.707.374

**Synonyms:** - Abdominal Wall Hernias - Hernias, Abdominal Wall - Abdominal Hernia