Preferred Label : hilum;
Definition : Anatomy.—Hilum is a generic term that describes the indentation in the surface of
an organ, where vessels and nerves connect with the organ. It is the site on the medial
aspect of the lung where the vessels and bronchi enter and leave the lung. Radiographs
and CT scans.—A hilum appears as a composite opacity at the root of each lung produced
by bronchi, arteries, veins, lymph nodes, nerves, and other tissue. The terms hilum
(singular) and hila (plural) are preferred to hilus and hili respectively; the adjectival
form is hilar. [Fleishner Society];
Source : Fleischner Society;
Origin ID : RID5962;
UMLS CUI : C0929176;
Currated CISMeF NLP mapping
- Semantic type(s)
- UMLS correspondences (same concept)
Anatomy.—Hilum is a generic term that describes the indentation in the surface of
an organ, where vessels and nerves connect with the organ. It is the site on the medial
aspect of the lung where the vessels and bronchi enter and leave the lung. Radiographs
and CT scans.—A hilum appears as a composite opacity at the root of each lung produced
by bronchi, arteries, veins, lymph nodes, nerves, and other tissue. The terms hilum
(singular) and hila (plural) are preferred to hilus and hili respectively; the adjectival
form is hilar. [Fleishner Society]
