- "The pneumococcus is a Gram
positive diplococcus.
- Like all streptococci, it will
occasionally form head-to-tail chains of
organisms.
- Around some organisms in this
field, you may be able to discern a halo. This is
indicative of capsule formation. The capsule
provides a survival advantage to the
pneumococcus, and is perhaps why it survives in
the lung and causes lobar pneumonia following
aspiration, whereas other mouth flora apparently
do not."
- Ó 1999- KUMC Pathology and the University
of Kansas, used with permission; courtesy of Dr.
James Fishback, Department of Pathology,
University of Kansas Medical Center.
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