Trigonum lumbocostale

Trigonum lumbocostale is a weakening of the abdominal wall where penetration of diaphragmatic hernias can occur.

Medially, this space is bounded by the pars lumbalis diaphragmatis, laterally by the pars costalis diaphragmatis , and dorsally by the costa duodecima (XII). Physiologically, there is no structure in this landscape.

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 * Hernia