Category:Gram stains
From Wikimedia Commons, the free media repository
English: Gram staining (or Gram's method) is an empirical method of differentiating bacterial species into two large groups (Gram-positive and Gram-negative) based on the chemical and physical properties of their cell walls. The method is named after its inventor, the Danish scientist Hans Christian Gram (1853 – 1938), who developed the technique in 1884 to discriminate between pneumococci and Klebsiella pneumoniae bacteria.
Media in category "Gram stains"
The following 33 files are in this category, out of 33 total.
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