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 tuberculosis or conditions like cancer A biopsy may be needed. In human anatomy, the hilum (/ ˈhaɪləm / Hila), sometimes formerly called a hilus (/ ˈhaɪləs / Hili), is a depression or fissure where structures such as blood vessels and nerves enter an organ.
Meaning of hila medical term The hilum is located on the medial aspect of each lung and provides the only route via which other structures enter and exit the lung The hilum also serves as the point of attachment for the lung root and is the point at which the visceral and parietal pleura connect. Several features of the hilum and hilar point can be assessed: The meaning of hilum is a scar on a seed (such as a bean) marking the point of attachment of the ovule. The hila comprise the lung roots which consist of the major bronchi, pulmonary arteries, veins entering and leaving the lungs as well as lymph nodes.
The pulmonary hila are complex structures containing the lobar and segmental bronchi, pulmonary arteries and veins, bronchial arteries and veins, soft tissue, and lymph nodes.
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