🔬💧🟣

#biological stain #microscope stain #histology #gram stain #sample preparation #lab work

🔬🩷🧫

#stained cells #microscopy #biological stain #histology #lab sample #pink specimen #petri dish culture #cell culture

🦠💜💧

#biological stain #gentian violet #bacteriology #gram-positive #antiseptic #staining solution