B0001014 Foetal MRI scan Credit: Nathan Jeffery. Wellcome Images images@wellcome.ac.uk http://wellcomeimages.org A high resolution magnetic resonance imaging (HRMRI) scan of a miscarried 20-week old human foetus, showing the head and a cross-section of the brain. This technique uses a magnetic field to induce the hydrogen nuclei in tissues to absorb and emit radio waves, producing an image which allows internal structures to be seen without disturbing the actual specimen. Published: - Copyrighted work available under Creative Commons by-nc-nd 4.0, see http://wellcomeimages.org/indexplus/page/Prices.html