| SAN | Sino-Atrial Node; 동방결절 = SA node |
|---|---|
| SAN | sinoatrial node; sinoauricular node; slept all night; solitary autonomous nodule |
| TNM | primary tumor, regional nodes, metastasis [tumor staging]; thyroid node metastases; tumor node metas... |
| HIVD | Herniation(Herniated) of Inter-Vertebral Disc - Cervical HIVD &... |
| C1 | first cervical nerve; first cervical vertebra; first component of complement |