| A | B |
| polymorphism | multiple forms |
| posterior | places behind a specific part |
| prenatal | before birth |
| proctoscope | an instrument for examining the rectum |
| prone | lying face down |
| pronate | turning to a prone position |
| proprioreception | awareness of body parts and movement |
| pseudotumor | a false tumor |
| psychogram | a chart of personality traits |
| renal ptosis | condition where the kidney drifts below normal position |
| puberty | when body begins to transition into adulthood |
| pulmonary artery | brings blood to the lungs |
| pyocyst | a cyst that contains pus |
| pyrogen | substance that induces fever |
| quadratus lumborum | muscle with square shape |
| reinfect | to infect again |
| rectus abdominus | straight abdominal muscles |
| renal | pertaining to the kidneys |
| renin | an enzyme produced by the kidneys |
| endoplasmic reticulum | network of membranous sac within a cell |
| retrogression | to move backward in development |
| rheumatoid arthritis | chronic systemic disease affective connective tissue and joints |
| rhinitis | inflammation of the nose |
| rugae | folds of stomach, gallbladder, and urinary bladder |
| sagittal | directional term |
| saltatory conduction | rapid conduction of impulses alone myelinated neurons |
| consanguineous | indicative of a genetic relationship between individuals |