Term: antigen: any substance (as a toxin or enzyme) that stimulates an immune response in the body (especially the production of antibodies)
Broader: substance: a particular kind or species of matter with uniform properties | Unrelated: panopticon: a circular prison with cells distributed around a central surveillance station; proposed by Jeremy Bentham in 1791
Broader: substance: a particular kind or species of matter with uniform properties | Unrelated: tour guide: a guide who leads others on a tour
Broader: substance: a particular kind or species of matter with uniform properties | Unrelated: statue: a sculpture representing a human or animal
Broader: substance: a particular kind or species of matter with uniform properties | Unrelated: ovarian pregnancy: ectopic pregnancy in the ovary
Broader: substance: a particular kind or species of matter with uniform properties | Unrelated: rising trot: the rider rises from the saddle every second stride
Broader: substance: a particular kind or species of matter with uniform properties | Unrelated: participation: the condition of sharing in common with others (as fellows or partners etc.)
Broader: substance: a particular kind or species of matter with uniform properties | Unrelated: grappa: Italian brandy made from residue of grapes after pressing
Broader: substance: a particular kind or species of matter with uniform properties | Unrelated: customs union: an association of nations to promote free trade within the union and set common tariffs for nations that are not members
Broader: substance: a particular kind or species of matter with uniform properties | Unrelated: carp: any of various freshwater fish of the family Cyprinidae
Broader: substance: a particular kind or species of matter with uniform properties | Unrelated: ringing: the giving of a ring as a token of engagement