Lloyd's sign is a sign of renal calculus, consisting of pain in the loin on deep percussion over the kidney, even when pressure causes no pain. It is closely related to the costovertebral angle tenderness.
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。