Sentence:  Although biopsies have shown structural changes in some of the reported cases of <WSD>steroid</WSD> induced weakness , this case provides the only example known to us in which necropsy afforded the opportunity for extensive study of multiple muscle groups . 
Meaning of the word marked with <WSD> tags:  any of several fat-soluble organic compounds having as a basis 17 carbon atoms in four rings; many have important physiological effects