<unk>  is a<unk>  that protrudes through the lumbar triangle (aka<unk> 's triangle). This triangle lies in the posterolateral abdominal wall and is bounded anteriorly by the free margin of external oblique muscle, posteriorly by the latissimus dorsi and inferiorly by the iliac crest. The neck (the spot where the<unk>  protrudes into the opening) is large, and therefore this<unk>  has a lower risk of strangulating than some other<unk> s.<unk>  occurs more often in males than in females and more often on the left side than on the right.
Petit's hernia
De Garengeot's hernia
Amyand's hernia
Maydl's hernia
Richter's hernia
Fascial hernia
Retrocolic hernia
Internal hernia