lobar pneumonia in red hepatic phase, light micrograph

photomicrograph lobar pneumonia red hepatic phase inflamed lung tissue hepatization histology pathology medical microscopic magnification respiratory health research care diagnosis examination system specimen science anatomical pathological biopsy diseases sample laboratory slides analysis infection conditions inflammatory disease bacterial streptococcus pneumoniae pneumococcus pneumococci streptococci bacteria microbe histopathology light microscopy pulmonary