1) Scleroid 
• (a.) Hardened; as, indurated clay; an indurated heart. • (imp. & p. p.) of Indurate
An excessive hardening or firmness of any body site. One of the signs of inflammation. ... (27 Sep 1997) ... 
(in´du-rāt″әd) hardened; abnormally hard. Called also sclerous.
Said of a compact rock or soil hardened by the action of pressure, cementation, and especially, heat.
In'du·ra`ted adjective Hardened; as, indurated clay; an indurated heart. Goldsmith. 
Hard, hardened.
Type: Term Pronunciation: in′dū-rāt′ĕd Definitions: 1. Hardened, usually used with reference to soft tissues becoming extremely firm but not as hard as bone.