| irreducible hernia | A hernia that cannot be reduced without operation. Synonym: incarcerated hernia. (05 Mar 2000) |
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| ischiatic hernia | <surgery> A hernia through the sacrosciatic foramen. (05 Mar 2000) |
| obturator hernia | Hernia through the obturator foramen. (05 Mar 2000) |
| orbital hernia | Displacement of orbital fat through a defect in the orbital septum or Tenon's capsule into the subcutaneous tissues of the eyelid or subconjunctivally. (05 Mar 2000) |
| Treitz's hernia | A hernia in the subperitoneal tissues. Synonym: retroperitoneal hernia, Treitz's hernia. (05 Mar 2000) |
| epigastric hernia | Hernia through the linea alba above the navel. (05 Mar 2000) |
| extrasaccular hernia | A hernia in which an abdominal viscus forms part of the sac. Synonym: extrasaccular hernia, parasaccular hernia, slipped hernia. (05 Mar 2000) |
| umbilical hernia | <surgery> An abnormal protrusion of internal abdominal contents into a defect in the umbilical area. Common in the newborn, but usually resolves by age two. (27 Sep 1997) |
| fascial hernia | A bulging of muscle through a defect in its fascia. (05 Mar 2000) |
| fat hernia | A hernia in which the tissue protruding out of its normal location is composed only of fat. (05 Mar 2000) |
| fatty hernia | The escape of subcutaneous fat through a gap in a fascia or an aponeurosis. Synonym: fatty hernia. (05 Mar 2000) |
| femoral hernia | <surgery> A common type of groin hernia which occurs most often in obese females. A groin mass (due to a loop of bowel) may be noted with coughing or straining. If the hernia becomes incarcerated (trapped) it may strangulate (cut off the blood supply) and become a life threatening surgical emergency. (27 Sep 1997) |
| Kronlein's hernia | A complicated hernia having a double sac, one part in the inguinal canal, the other projecting from the internal inguinal ring in the subperitoneal tissues. Synonym: hernia en bissac, Kronlein's hernia. (05 Mar 2000) |
| labial hernia | Hernia through the canal of Nuck. (05 Mar 2000) |
| "w" hernia | The presence of two loops of intestine in a hernial sac. Synonym: double loop hernia. (05 Mar 2000) |