milk·er's nodules 'mil-kərz- n pl but sing in constr a mild virus infection characterized by reddish blue nodules on the hands, arms, face, or neck acquired by direct contact with the udders of cows infected with a poxvirus (species Pseudocowpox virus of the genus Parapoxvirus) called also paravaccinia, pseudocowpox
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1. paravaccinia in humans, contracted during milking of infected cows; it consists of purple nodules on the fingers and adjacent areas, which later break down, crust, and heal without scarring. Called also milker's nodes. 2. paravaccinia (def. 1).Medical dictionary. 2011.