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单词 Haemophilus influenzae type B
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Haemophilus influenzae type B

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Haemophilus influenzae

Haemophilus influenzae satelliting colonies (pin point) near Staphylococcus aureus (yellow) on blood agar plate.
H. influenzae, in a Gram stain of a sputum sample, appear as Gram-negative coccobacilli.[5]
Haemophilus influenzae requires X and V factors for growth. In this culture haemophilus has only grown around the paper disc that has been impregnated with X and V factors. There is no bacterial growth around the discs that only contain either X or V factor.

Haemophilus influenzae (formerly called Pfeiffer's bacillus or Bacillus influenzae) is a Gram-negative, coccobacillary, facultatively anaerobic pathogenic bacterium belonging to the Pasteurellaceae family. H. influenzae was first described in 1892 by Richard Pfeiffer during an influenza pandemic.

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更新时间:2025/6/22 20:38:52