Definition of hilus in English:


Line breaks: hilus
Pronunciation: /ˈhʌɪləs

noun (plural hili /ˈhʌɪlʌɪ/)

  • An indentation in the surface of a kidney, spleen, or other organ, where blood vessels, ducts, nerve fibres, etc. enter or leave it.
    More example sentences
    • A laparotomy revealed an unresectable tumor encasing the hepatic arteries, portal vein, and common bile duct in the hepatic hilus.
    • The arteries enter at the hilus and are carried in, and branch with, the trabeculae.
    • At the center of the concave side, where the ureters and veins issue and arterial vessels and nerves usually enter, is the hilus.


mid 19th century: modern Latin, alteration of hilum.

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