The spleen is an organ in the upper left abdomen, which filters blood, disposes of worn-out red blood cells, and provides a 'reserve supply' of blood. It contains both red tissue, and white lymphatic tissue. The major (encapsulated) lymphatic organs are the lymph nodes, thymus and spleen.
Place the brined corned beef in a large pot or Dutch oven along with the liquid and spices that accompanied it in the package. Pour in enough water to cover the beef, then bring the water to a boil on the stovetop. Reduce the heat to a simmer, and cover the pot. A three-pound corned beef could take three hours or more to become perfectly tender. Check the meat occasionally, adding more water if necessary. The beef is ready when it pulls apart easily.
Medium. Medium for leg of lamb means the inside meat is barely pink, with the internal temperature reaching 160 degrees F. So for the shank half, you will cook the same three-to four-pound specimen for 30 to 40 minutes per pound at 325 degrees F. Cook the sirloin half for 35 minutes per pound.he upper half (called sirloin) should cook for 25 minutes per pound. This is about three to four pounds of meat. The whole leg with the bone weighing between five to seven pounds should be cooked for 15 to 20 minutes per pound. Larger legs need to be cooked longer: 20 to 25 minutes per pound.