👉 The term "subtitular" is a medical term used to describe the space between the epigastric and mesenteric arteries. It's often referred to as the "submucosa", which is the muscular layer surrounding the esophagus, stomach, and lower intestines. This space plays a crucial role in the digestive process by providing support for the walls of the esophagus, while also allowing for the exchange of nutrients with the blood.