An amygdala is a portion of the brain. In "Vaudevillian", after Asa jokingly asks Mordecai whether he arranged the pieces of his victims in alphabetical order, Mordecai dryly replies that, "'A' is for amygdala".. Arraignment. An arraignment is a formal reading of a criminal complaint to inform a party accused of a crime of the charges against them. In response, the accused is expected to …