shigella; dysentery bacillus
Medical term for the bacterium that causes bacillary dysentery (赤痢). Used in clinical and biological contexts.
Shigella bacteria are transmitted through contaminated water or food.
The test detected shigella bacteria.
細菌 is a general term for bacteria; 赤痢菌 specifies the dysentery-causing shigella.
Compound of 赤痢 (dysentery) + 菌 (bacterium). The exact historical derivation is uncertain, but the term follows standard medical naming patterns.