| bcr | breakpoint cluster region |
|---|---|
| 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... |