Hilum: Definition and Location of Organ Entry Points

The medical term meaning part of an organ where vessels and nerves enter leave is Hilum.

The hilum (plural hila) is a point where blood vessels and nerves enter or leave an organ. The term is used to describe the indentation where the pulmonary artery, pulmonary veins, bronchi, lymphatic vessels, and nerves enter the lung. It is also used to describe the point of entry of the renal artery and ureter into the kidney.