Amylase is a digestive enzyme made primarily by the pancreas and salivary glands. Enzymes are substances made and used by the body to trigger specific chemical reactions.
Luxating patella - a knee cap problem in dogs. The patella, commonly referred to as the knee cap is usually located in the centre of the knee joint. A luxating patella is a knee cap that moves out of its normal location, as indicated by the term luxating which means out of place or dislocated.
References. View image. A kneecap fracture is a break or crack in the kneecap (patella). It may be just a small crack in the bone, or the bone may break into pieces or shatter. Some fractures may stick out through the skin. A kneecap fracture is also called a patellar fracture. A broken kneecap usually results from a fall onto your knee or a direct hit to the knee. Some kneecap fractures can happen when you are jumping or running. Symptoms may include: 1  A snapping or popping sound at the time of the injury.