Sublingual refers to a location that is:

Sublingual refers to the area located beneath the tongue. This term is often used in medical settings to describe the placement of medication that is administered under the tongue to allow for rapid absorption into the bloodstream. The sublingual administration route is beneficial because the tissue under the tongue has a rich blood supply, allowing for quick absorption and onset of effects. This method bypasses the digestive system, avoiding degradation of medications that may occur in the stomach or intestines. Understanding this location is crucial for effectively administering sublingual medications and ensuring proper patient care.