Could Porcupine Quills Help Us Design the Next Hypodermic Needle?, Science

Microscopic barbs allow porcupine quills to slice into flesh easily and stay there stubbornly—qualities that could prove useful in medical applications

Barbs make porcupine quills into nasty needles : Nature News & Comment

Barbed Porcupine Quills Could Help Enhance Various Biomedical Devices

Could a porcupine quill be fashioned into a needle to administer

Porcupine Quills Reveal Their Prickly Secrets, Science

Deep Look: Porcupines Give You 30,000 Reasons to Back Off

Medical marvels borrowed from nature itself including porcupine

Dulles CBP Finds 100 Prohibited Porcupine Quills

What a Porcupine Quill Can Teach Us About Making Better Needles

Porcupine quills could help scientists develop less painful hypodermic needles

Porcupine Quills Reveal Their Prickly Secrets, Science

Could a porcupine quill be fashioned into a needle to administer intravenous fluids, if need be? - Quora

Porcupines Give You 30,000 Reasons to Back Off

Porcupine Quills — House of Just

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