A special MRI scanner for tiny patients

This tarantula is about to go into a small, specialized MRI scanner so that researchers from Edinburgh University can see its blood flow through its heart. Gavin Merrifield and colleagues used a scanner built for medical research on rodents at the Glasgow Experimental MRI Center to get direct readings of tarantulas’ heart rates and cardiac outputs. Merrifield presented the team’s findings about the tarantula’s “double-beating” heart a few days ago at the Society for Experimental Biology Annual Conference.

Photo: Gavin Merrifield

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