MIT engineers used magnets to mechanically stretch a miniature artery-on-a-chip, triggering controlled capillary growth. Adjusting stretch direction and intensity let them tune vessel number, length, and orientation, a breakthrough for building better artificial organs.

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Science & Engineering

MIT engineers built a tiny "blood vessel on a chip" and discovered that mechanically stretching an artery using magnets triggers new capillaries to grow. By adjusting stretch direction and intensity, they could control vessel number, length, and direction, potentially enabling better artificial organs for transplant.

Engineers find a precise way to grow artificial blood vessels

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