Posterior right subhepatic intraperitoneal space is

Posterior right subhepatic intraperitoneal space is called morrison&;s pouch. Morison&;s pouch is the space that separates the liver from the right kidney. As a potential space, the recess is not filled with fluid under normal conditions. However, fluid can collect in this space in circumstances where the abdomen fills with fluid, such as hemoperitoneum Its one of the four regions seen in FAST scan