| LRN | lateral reticular nucleus |
|---|---|
| LVN | lateral ventricular nerve; lateral vestibular nucleus; Licensed Visiting Nurse; Licensed Vocational ... |
| MGN | medial geniculate nucleus; membranous glomerulonephritis |
| MIN | medial interlaminar nucleus |
| MSN | main sensory nucleus; Master of Science in Nursing; mildly subnormal |