| RHL | recurrent herpes labialis; right hepatic lobe |
|---|---|
| RHLN | right hilar lymph node |
| rhm | roentgens per hour at 1 meter |
| RhMK | rhesus monkey kidney |
| RhMk | rhesus monkey |
| RhMkK | rhesus monkey kidney |
| RHMV | right heart mixing volume |
| RHN | Rockwell hardness number |
| RHO | rhodopsin; right heeloff |
| RhoGAM | Rho(D) Immuno-Globulin |