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.
The Ghost Dance is a Native American spiritual dance done with the purpose of regaining the life once known to the tribe. It is characterized by a revival of many traditional beliefs and by the fervent expectation that a time of perpetual bliss was immanent. Wovoka, a Paiute, was born in western Nevada around 1856.