Hilum of lung

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Hilum of left lung
1. Oblique fissure 2. Vertebral part 3. Hilum of lung 4. Cardiac impression 5. Diaphragmatic surface
Latin	hilum pulmonis
Gray's	subject #240 1095
Dorlands/Elsevier	h_11/12422628

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Above and behind the cardiac impression is a triangular depression named the hilum, where the structures which form the root of the lung enter and leave the viscus. These include the pulmonary artery, superiormost on the left lung, the superior and inferior pulmonary veins, and the bronchus, with bronchial vessels surrounding it.

These structures are invested by pleura, which, below the hilus and behind the pericardial impression, forms the pulmonary ligament.

External links

• Atlas of anatomy at UMich lung_lymph - "Transverse section through lung"
• Atlas of anatomy at UMich lung_rt_hilum - "Isolated lung, medial or hilar surface"

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.

v • d • e Anatomy of torso, respiratory system: Lungs and related structures
lungs	right • left • lingula • apex • base • root • cardiac notch • cardiac impression • hilum • borders (anterior, posterior, inferior) • surfaces (costal, mediastinal, diaphragmatic) • fissures (oblique, horizontal)
conducting zone	trachea (tracheal rings, carina) • bronchi • main bronchus (right, left) • lobar/secondary bronchi (eparterial bronchus) • segmental/tertiary bronchi (bronchopulmonary segment) • bronchiole • terminal bronchiole
respiratory zone	respiratory bronchiole • alveolar duct • alveolus • alveolar-capillary barrier
pleurae	parietal pleura (cervical, costal, mediastinal, diaphragmatic) • visceral pleura • pulmonary ligament • recesses (costomediastinal, costodiaphragmatic) • pleural cavity

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Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .