Blood Sample Collection Process - Medical Testing Illustration #156403 (License: Personal Use)

This vector illustration depicts a medical syringe with a metallic needle inserted into a glass test tube partially filled with red liquid, simulating blood. A second test tube stands upright beside it, filled to a higher level with the same red fluid, suggesting comparative or sequential sampling. The clean, clinical style emphasizes precision and sterility typical of laboratory environments.

Used on healthcare, diagnostics, or laboratory service web pages to illustrate blood collection, phlebotomy, or lab testing workflows; matches user intent for understanding medical procedures or selecting lab services.