"RitualPTNCI" . . "Activity"^^ . "ritualPTNCI-GLOSSCDR0000476412" . "An act or series of acts done in accordance with personal or social custom.NCI" . . "C0233622"^^ . "C94194"^^ . "Ritual"^^ . "An action or series of actions that is repeated, often in a religious or social setting. In medicine, it may describe a repeated action (such as hand washing) done to relieve feelings of fear, dread, and uneasiness in people who have an obsessive-compulsive disorder.NCI-GLOSS" . "Ritual"^^ . .