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.
Magnetic Resonance Imaging (MRI) What is MRI? Magnetic resonance imaging (MRI) is a noninvasive test that uses a magnetic field and radiofrequency waves to create detailed pictures of organs and structures inside your body. It can be used to examine your heart and blood vessels, and to identify areas of the brain affected by stroke.