M
Magnetic resonance imaging
Imaging using magnetic fields and radio waves, particularly useful for discs, the spinal cord and...
Magnetic susceptibility artifact
MRI distortion or signal loss caused by local magnetic susceptibility differences, particularly near metal, air...
Mass effect
Mass effect is a change in the position or shape of a structure caused by...
Meningocele
Malformation in which meninges and cerebrospinal fluid protrude through a spinal defect, without spinal cord...
Meyerding grade
The Meyerding grade classifies how far one vertebra has slipped relative to the vertebra below...
