a staining technique used to classify bacteria; bacteria are stained with gentian violet and then treated with Gram's solution; after being decolourized 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
a technique used in behaviour therapy to treat phobias and other behaviour problems involving anxiety; client is exposed to the threatening situation under relaxed conditions until the anxiety reaction is extinguished
a technique used in behaviour therapy to treat phobias and other behaviour problems involving anxiety; client is exposed to the threatening situation under relaxed conditions until the anxiety reaction is extinguished