ANATOMY

Detailed explanation-1: -The hilum is visible as a triangular section at the inner midpoint of each lung. It is the space where vessels and nerves pass from your bronchus to your lungs. The hilum keeps your lungs anchored in place.

Detailed explanation-2: -The major bronchi, pulmonary arteries, pulmonary veins, and nerves are the structures which enter and exit the lungs in this region.

Detailed explanation-3: -In human anatomy, the hilum (/ˈhaɪləm/; plural hila), sometimes formerly called a hilus (/ˈhaɪləs/; plural hili), is a depression or fissure where structures such as blood vessels and nerves enter an organ. Examples include: Hilum of kidney, admits the renal artery, vein, ureter, and nerves.

Detailed explanation-4: -structure of lung …with the mediastinum at the hilum, a circumscribed area where airways, blood and lymphatic vessels, and nerves enter or leave the lungs.

Detailed explanation-5: -the bronchial arteries (one on one side and two on the other) the bronchial veins. the pulmonary plexuses of nerves. lymphatic vessels.