noun
gram-positive bacteria
Technical term in microbiology; bacteria that retain the crystal violet stain in Gram staining.
グラム陽性菌はペニシリンに感受性を示すことが多い。
Gram-positive bacteria often show sensitivity to penicillin.
Gram-negative bacteria, which do not retain the crystal violet stain and have a different cell wall structure.
From グラム (Gram, after Hans Christian Gram) + 陽性 (positive) + 菌 (bacteria).