... subcutaneous tissue, superficial lymph nodes, and visible mucosae; and measurement of the body temperature. Special diagnosis ... In diagnostic tests, the blood, urine, tissues, and other excretions and secretions of the body are examined for evidence of ... Bioassays (inoculation of living tissues and live animals) are necessary in diagnosing a number of infectious diseases (for ... who bases his diagnosis on the study of the findings of the autopsy and on the chemical and microscopic analysis of tissues in ...