MeSH definition : Bacteria which lose crystal violet stain but are stained pink when treated by Gram's
method.;
MeSH synonym : gram negative bacteria;
MeSH annotation : GEN: avoid; prefer specifics; do not use as a routine coord for a gram-negative bact;
infection GRAM-NEGATIVE BACTERIAL INFECTIONS; DF: GRAM NEG BACT; general or unspecified; prefer specifics; do not use as a routine coordinate for a
gram-negative bacterium; infection equals GRAM-NEGATIVE BACTERIAL INFECTIONS;
Wikipedia link : https://en.wikipedia.org/wiki/Gram-negative bacteria;