| Label | Id | |
|---|---|---|
| astroblastoma | 0016707 | |
| atelencephaly | 0035449 | |
| atelosteogenesis | 0000389 | |
| atherosclerosis | 0005311 | |
| athyreosis | 0019855 | |
| atransferrinemia | 0008846 | |
| auriculoosteodysplasia | 0007177 | |
| aurocephalosyndactyly | 0007178 | |
| autism | 0005260 | |
| autotopagnosia | 0000668 | |
| azoospermia | 0100459 | |
| babesiosis | 0005661 | |
| bacteriuria | 0001882 | |
| bagassosis | 0001540 | |
| balanitis | 0006672 |