• (a.) Influenced in its contraction by heat or cold; -- said of a muscle.
(thur″mo-sis-tawl´tik) contracting under the stimulus of heat.
Ther`mo·sys·tal'tic adjective [ Thermo- + systaltic .] (Physiol.) Influenced in its contraction by heat or cold; -- said of a muscle. 
Type: Term Pronunciation: ther′mō-sis-tal′tik Definitions: 1. Relating to thermosystaltism.