Mar 24, 2026 · What Is the Hilum of the Lung? The hilum is a region in the lungs where airways, blood vessels, and nerves enter and exit. Enlarged hilar lymph nodes can be caused by infections like …

In human anatomy, the hilum (/ ˈhaɪləm /; pl.: hila), sometimes formerly called a hilus (/ ˈhaɪləs /; pl.: hili), is a depression or fissure where structures such as blood vessels and nerves enter an organ.

Oct 30, 2023 · Each lung (the right and left lungs) can be divided into four main sections: the apex, base, root, and the hilus, or hilum of the lung. Hila, or lung roots, are relatively complicated structures …

Aug 16, 2025 · Anatomically, a hilus refers to an indentation or depression on an organ or structure. It serves as a designated point of entry and exit for various anatomical components, such as blood …

The hilum is an anatomical term referring to a deep cleft or indentation on an organ where blood vessels, lymphatic vessels, nerves, and ducts enter or exit. For example, the kidneys have a hilum …

Above and behind the cardaice impression, on the mediastinal surface of the lungs, is a triangular depression named the hilum, where the structures which form the root of the lung enter and leave …

Deflation of the lungs is chiefly a passive maneuver. The major muscles involved in exhalation are the abdominal muscle group. As these muscles contract, they depress the lower ribs, and, through an …

Definitions of hilus noun (anatomy) a depression or fissure where vessels or nerves or ducts enter a bodily organ “the hilus of the kidney” synonyms: hilum see more

A hilus, also known as hilum, is a part or area where nerves, blood vessels, or ducts enter or exit an organ or gland in the body. It is often used as a point of reference in anatomy.

The hilum of the lung (pulmonary hilum) is a large triangular-shaped depressed area situated near the center of the medial surface of each lung. It is the site where the lung root attaches to the lung. And …