Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
u·ro·psam·mus(yū'rō-sam'ŭs), In the diphthong ps, the p is silent only at the beginning of a word.
1. Synonym(s): gravel
2. Any inorganic or uratic urinary sediment. Synonym(s): urocheras (2)
[uro- + G. psammos, sand]
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