Art style: 3D реалистичная медицинская анимация.
Крупный план чистого кровеносного сосуда с быстро движущимися эритроцитами. Стенки гладкие, без бляшек. Свет проникает сквозь ткани.
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FINAL STYLE ENFORCEMENT (this is the authoritative rendering directive — it overrides any style wording elsewhere in the prompt):
Render this image entirely in "3D реалистичная медицинская анимация" style. Match the lighting grammar, material response, colour science, level of realism / stylisation, line weight, and shading model typical of "3D реалистичная медицинская анимация". Keep the subject, composition, camera angle, lighting direction, and colour palette from the description above — but EVERY surface, skin, fabric, material, and environmental element must be rendered in the "3D реалистичная медицинская анимация" idiom, not in any other medium.
