When examining specimen smears for pathogenic bacteria,this is important to note.

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Intracellular and extracellular forms are important to note because they point to definite processes in the infection.If the white blood cells are alive and phagocytic,they would engulf the bacteria causing the infection.This can be easily observed under oil immersion on a slide.Most of the time,bacteriologic smears are not stained with Wright's stain,unless a blood-borne parasite or pathogen is being sought.Unfortunately,details of the microbe's nuclear structure are not visible under bright light microscopy,but only electron microscopy.Fecal material will only be present in fecal smears.

When Examining Specimen Smears for Pathogenic Bacteria,this Is Important to Note