Term: fibrinogen: a protein present in blood plasma; converts to fibrin when blood clots
Broader: protein: any of a large group of nitrogenous organic compounds that are essential constituents of living cells; consist of polymers of amino acids; essential in the diet of animals for growth and for repair of tissues; can be obtained from meat and eggs and milk and legumes | Unrelated: circus: an arena consisting of an oval or circular area enclosed by tiers of seats and usually covered by a tent
Broader: protein: any of a large group of nitrogenous organic compounds that are essential constituents of living cells; consist of polymers of amino acids; essential in the diet of animals for growth and for repair of tissues; can be obtained from meat and eggs and milk and legumes | Unrelated: arariba: Brazilian tree with handsomely marked wood