👉 The term "submucosal" refers to a type of tissue or organ that is found in the mucous membranes of the digestive tract, particularly the stomach and esophagus. These tissues are composed of cells called goblet cells, which produce mucus that helps to lubricate and protect the lining of these organs. Submucosal tissue plays an important role in digestion by providing a barrier against foreign substances like food particles and bacteria that can be ingested. It also secretes digestive