| NOR | Nucleolar Organizing Region |
|---|---|
| ACR | abnormally contracting region; absolute catabolic rate; acriflavine; adenomatosis of colon and rectu... |
| AgNOR | silver-staining nucleolar organizer region |
| BCR | B-cell reactivity; birth control regimen; breakpoint cluster region; bromocriptine; bulbocavernous r... |
| CDR | calcium-dependent regulator; clinical dementia rating; complementary determining region; computerize... |