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Pronunciation: hi'lum, hi'la


  1. The part of an organ where the nerves and vessels enter and leave.
  2. A depression or slit resembling the hilum in the olivary nucleus of the brain.

Synonym(s): porta1

[L. a small bit or trifle]

Further information

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.