| Label | Id | |
|---|---|---|
| Ostium of superior vena cava | http://purl.org/sig/ont/fma/fma9238 | |
| Superior vena cava ostium | http://purl.org/sig/ont/fma/fma9238 | |
| Orifice of superior vena cava | http://purl.org/sig/ont/fma/fma9238 | |
| Superior vena cava orifice | http://purl.org/sig/ont/fma/fma9238 | |
| Opening of superior vena cava | http://purl.org/sig/ont/fma/fma9238 |