papilla. Any small nipple-like process.
papilloma. A growth of hypertrophied papillae of the skin.
papule. A small circumscribed elevation of the skin, containing no fluid. A pimple.
paralysis. Loss of power of voluntary movement in a muscle through injury or disease of nerve supply.
parasite. An organism that inhabits another organism and obtains nourishment from it.
paresis. General paralysis of the insane or dementia paralytics. A condition thought to be due to a chronic meningitis.
paresthesia. An abnormal spontaneous sensation such as of numbness, burning, pricking, tingling, etc.
parenchyma. The specific tissues of a gland or organ.
paronychia. Felon, whitlow. Inflammation of the structures in the distal phalanx of the finger.
patella. Kneecap.