| retrograde hernia | A double loop hernia the central loop of which lies in the abdominal cavity. (05 Mar 2000) |
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| retroperitoneal hernia | A hernia in the subperitoneal tissues. Synonym: retroperitoneal hernia, Treitz's hernia. (05 Mar 2000) |
| retropubic hernia | A hernia projecting downward, in the subperitoneal tissues, from the internal inguinal ring. (05 Mar 2000) |
| retrosternal hernia | A diaphragmatic hernia protruding through Morgagni's foramen. (05 Mar 2000) |
| meningeal hernia | Herniation of meninges through a spina bifida. (05 Mar 2000) |
| perineal hernia | A hernia protruding through the pelvic diaphragm. Synonym: levator hernia, pudendal hernia. (05 Mar 2000) |
| mesenteric hernia | Hernia through a hole in the mesentery. (05 Mar 2000) |
| Richter's hernia | A hernia in which only a portion of the wall of the intestine is engaged. Synonym: Littre's hernia, partial enterocele, Richter's hernia. (05 Mar 2000) |
| Petit's hernia | Lumbar hernia, occurring in Petit's triangle. (05 Mar 2000) |
| Rokitansky's hernia | A separation of the muscular fibres of the bowel allowing protrusion of a sac of the mucous membrane. (05 Mar 2000) |
| Cloquet's hernia | A femoral hernia perforating the aponeurosis of the pectineus and insinuating itself between this aponeurosis and the muscle, lying therefore behind the femoral vessels. (05 Mar 2000) |
| complete hernia | An indirect inguinal hernia in which the contents extend into the tunica vaginalis. (05 Mar 2000) |
| concealed hernia | A hernia not found on inspection or palpation. (05 Mar 2000) |
| congenital diaphragmatic hernia | Absence of the pleuroperitoneal membrane (usually on the left) or an enlarged Morgagni's foramen which allows protrusion of abdominal viscera into the chest. Synonym: Bochdalek's hernia. (05 Mar 2000) |
| congenital hernia of the diaphragm | A condition present at birth where there is abnormal protrusion of abdominal contents upward through a defect in the diaphragm. This condition is treated as a surgical emergency due to interference with the infant's breathing. Smaller, less serious diaphragmatic hernias may also be seen in adults. (27 Sep 1997) |