Red Liquid in Test Tube - Scientific Lab Icon #286197 (License: Personal Use)

This digital illustration depicts a transparent glass test tube tilted diagonally, containing a vivid red liquid up to the halfway mark. The tube features four horizontal calibration lines for volume measurement and a white meniscus at the top, enhancing its scientific realism. The glossy surface and clean black background emphasize its use as a symbolic or UI icon.

Frequently used in healthcare websites, educational platforms, or science-themed apps to denote blood testing, laboratory analysis, diagnostics, or chemistry. Matches user intent for visual shorthand in infographics, buttons, or article headers related to medical or scientific topics.