General introduction to medical laboratory science in histopathology and clinical chemistry, Specimen collection, reception and registration. Storage, disposal, specimen, bottles, safety precautions in Pathology Laboratories against chemical, biological, electrical and physical methods. Glassware cleaning care and maintenance. Handing of laboratory animals. Microscopy and microtomy - uses and care of microscopes. Refrigeration- principle, uses, care and maintenance. Handling of laboratory animals. Laboratory location and floor plan. Laboratory organization and management, simple analytical techniques in chemical pathology Presentation of volumetric analysis, etc. Principles of tissue presentation: fixation, processing and staining. Handling of surgical tissues. Removal of formalin pigments