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). An MRI is a large imaging device that sits in its own room. It uses a harmless magnetic field and radio waves to get clear, sharp pictures of the inside of your brain.An MRI is used to detect bleeding in the brain, tumours or stroke. It is also an excellent device for detecting smaller strokes or strokes in the back of the brain, which other imaging devices can miss.MRI images show even more detail than CT scans, and can be viewed in 3-D on a computer screen.agnetic Resonance Imaging (MRI). An MRI is a large imaging device that sits in its own room. It uses a harmless magnetic field and radio waves to get clear, sharp pictures of the inside of your brain.