At·ra·bil·ia·ry a.
  1. Of or pertaining to atra bilis or black bile, a fluid formerly supposed to be produced by the kidneys.
  2. Melancholic or hypohondriac; atrabilious; -- from the supposed predominance of black bile, to the influence of which the ancients attributed hypochondria, melancholy, and mania.
  Atrabiliary arteries, capsules, and veins Anat., those pertaining to the kidney; -- called also renal arteries, capsules, and veins.
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