Test Tube with Green Liquid - Science Lab Illustration #3051525 (License: Personal Use)

This stylized illustration depicts a transparent glass test tube with a rounded bottom and flared rim, partially filled with a bright green liquid. Four horizontal calibration marks indicate volume levels, suggesting use in quantitative chemical or biological analysis. The clean, modern design emphasizes clarity and scientific accuracy, suitable for educational or professional contexts.

Commonly used on science education websites, chemistry lab manuals, medical infographics, or health-related blogs to represent experimentation, testing, or sample analysis. Matches user intent for visual aids in STEM learning or diagnostic process explanations.