1 osmosis The movement of water molecules across a partially-permeable membrane from a region of low solute concentration to a region of high solute concentration. 2  partially permeable Also called semi-permeable.
MRI Scans Explained. MRI (Magnetic Resonance Imaging) scanning is a medical investigation that uses an exceptionally strong magnet and radio frequency waves to generate image of your body. An MRI scan is one of the most sophisticated diagnostic tools available to help a referring clinician understand the cause of your particular health issue. By scanning the relevant sector(s) of a patientâs body, an MRI scan can help to diagnose the following: most ailments of the brain, including tumours and dementias.
What is MRI? MRI stands for magnetic resonance imaging, and it is a kind of scan that can produce detailed pictures of parts of the body, including the brain. It can also be used to show which areas of the brain are working in different activities (e.g. when doing sums) by seeing where the brain is directing most of the blood, since the blood is