Hilus

Hilus is a term used in anatomy to describe a part of an organ where structures such as blood vessels and nerves enter. It is also known as the hilum.

Anatomy

The hilus is found in various organs in the body, including the lungs, kidneys, and lymph nodes.

Lungs

In the lungs, the hilus is the part where the main bronchus, blood vessels, lymph vessels, and nerves enter and exit. This area is also known as the root of the lung.

Kidneys

In the kidneys, the hilus is the area where the renal artery enters the kidney, and the renal vein and ureter exit.

Lymph Nodes

In lymph nodes, the hilus is the indented region where blood vessels and nerves enter and exit.

Clinical Significance

Changes in the appearance of the hilus on medical imaging can indicate various diseases. For example, enlargement of the hilus in the lungs can suggest lung disease such as pneumonia, tuberculosis, or lung cancer.

See Also

• Anatomy
• Lungs
• Kidneys
• Lymph Nodes

References

Hilus Resources
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