Bence-Jones protein

[bĕnsjōnz]
n.
  1. A protein with high thermosolubility occurring in the serum and urine of patients with certain diseases, especially multiple myeloma.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.