Term: prion: (microbiology) an infectious protein particle similar to a virus but lacking nucleic acid; thought to be the agent responsible for scrapie and other degenerative diseases of the nervous system
Broader: natural object: an object occurring naturally; not made by man | Unrelated: relation: an act of narration
Broader: natural object: an object occurring naturally; not made by man | Unrelated: horseman: a man skilled in equitation
Broader: natural object: an object occurring naturally; not made by man | Unrelated: monopoly board: a board used for playing monopoly
Broader: natural object: an object occurring naturally; not made by man | Unrelated: blood sport: sport that involves killing animals (especially hunting)
Broader: natural object: an object occurring naturally; not made by man | Unrelated: worldling: a person absorbed by the concerns and interests and pleasures of the present world
Broader: natural object: an object occurring naturally; not made by man | Unrelated: radiocarbon: a radioactive isotope of carbon
Broader: natural object: an object occurring naturally; not made by man | Unrelated: polydipsia: excessive thirst (as in cases of diabetes or kidney dysfunction)
Broader: natural object: an object occurring naturally; not made by man | Unrelated: bourbon: a reactionary politician in the United States (usually from the South)
Broader: natural object: an object occurring naturally; not made by man | Unrelated: commando: an amphibious military unit trained for raids into enemy territory
Broader: natural object: an object occurring naturally; not made by man | Unrelated: accord and satisfaction: the settlement of a debt by paying less than the amount demanded in exchange for extinguishing the debt