| NOD | Naito-Oyanagi disease; National Organization on Disability; nodular melanoma; nonobese diabetic; not... |
|---|---|
| NPDL | nodular poorly differentiated lymphocytic |
| NRH | nodular regenerative hyperplasia |
| NS | natural science; Neosporin; nephrosclerosis; nephrotic syndrome; nervous system; neurological surger... |
| NSHD | nodular sclerosing Hodgkin disease |