Tumor types: There has been a long-lasting debate about classification of canine mammary tumors. According to the World Health Organization (WHO), canine mammary tumors are histologically classified into four categories: malignant tumors, benign tumors, unclassified tumors, and mammary hyperplasias/dysplasias.
Gandy dancer is a slang term used for early railroad workers who laid and maintained railroad tracks in the years before the work was done by machines.
Ghost Dance-A Promise of Fulfillment-The Ghost Dance (Natdia) is a spiritual movement that came about in the late 1880s when conditions were bad on Indian reservations and Native Americans needed something to give them hope.