close-up of a blood vessel revealing intricate details of red and blue structures, illustrating human anatomy and biology

blood vessel anatomy close reveal intricate detail red blue structure illustrate component venous medicine capillary artery arteriole system perfusion fluid cellular plasma endothelial venule network diagnosis microscopy wellness hematic dynamic condition pathology element thrombocyte biology microscopic diagnostic connection nutrient vascular diffusion specimen treatment hemoglobin oxygen tissue fibrin lymphatic color transport close-up revealing details structures illustrating human generative