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.
verb (used without object), danced, dancing. 1. to move one's feet or body, or both, rhythmically in a pattern of steps, especially to the accompaniment of music. 2. to leap, skip, etc., as from excitement or emotion; move nimbly or quickly: to dance with joy. 3. to bob up and down: The toy sailboats danced on the pond. verb (used with object), danced, dancing.