| A | B |
|---|
| perfusion | the act of pouring over or through, especially the passage of fluid through the vessels of a specific organ. |
| profusion | Abundance, pouring forth with great liberality. |
| protrusion | The state of being thrust forward. |
| prostate | A gland in the male which surround the neck of the bladder and the urethra. |
| prostrate | Extended in a horizontal position. |
| reflex | A reflected action or movement; the sum total of any particular involuntary activity. |
| reflux | A backward or return flow. |
| regimen | A strictly regulated scheme of diet, exercise, or other activity designed to achieve certain ends. |
| regiment | A military unit. |
| residence | The place where one lives. |
| residents | Those who live in a place; physicians serving in residency. |
| resonance | The prolongation and intesification of sound produced by the transmission of its vibrations to a cavity; a vocal sound as heard in auscultation. |
