Where the cancer starts is called the primary tumour. Some types of cancer, called leukaemia, start from blood cells. They don't form solid tumours. Instead, the cancer cells build up in the blood and sometimes the bone marrow. For a cancer to start, certain changes take place within the genes of a cell or a group of cells.
pommel horse. n. 1. A piece of gymnastic equipment that consists of a padded, loaf-shaped object with two pommels on top and stands horizontal to the floor, usually on adjustable legs. 2. An athletic event in which the pommel horse is used.
The seat in which you sit on when on a horses back is called a saddle. The front part of a saddle is called a pommel and the back part of a saddle is called a cantle.  â¦  Here is a basic saddle the stirrups are not on it at the moment. They are above the saddle not yet attatched. + 5 others found this useful.