Gram Stain (Noun)
Meaning
A staining technique used to classify bacteria; bacteria are stained with gentian violet and then treated with Gram's solution; after being decolorized with alcohol and treated with safranine and washed in water, those that retain the gentian violet are Gram-positive and those that do not retain it are Gram-negative.
Classification
Nouns denoting acts or actions.
Examples
- The microbiologist used the gram stain technique to identify the type of bacteria present in the sample.
- Gram stain is a widely used method for classifying bacteria into two main groups: Gram-positive and Gram-negative.
- The laboratory technician carefully followed the gram stain procedure to ensure accurate results.
- The gram stain results showed that the bacteria were Gram-positive, indicating the presence of a thick peptidoglycan layer in their cell walls.
- The gram stain test is a crucial diagnostic tool in microbiology, allowing researchers to quickly identify and classify different types of bacteria.