Instruments used in clinical pathology/histology laboratories, namely, microwave systems consisting of a microwave oven control panel controlling an attached vacuum system, temperature monitoring system, temperature control system, and an air agitator system, sold as a unit with microwave protocols for histological specimen processing, fixation, dehydration, staining, decalcification, immunocytochemistry, in vivo vital staining, in situ hybridization and extraction of DNA