Kidney cancer is also known as renal cancer and is the eighth most common adult cancer in the UK. Kidney cells become malignant or cancerous and grow out of control, forming a tumour. Almost all kidney cancers first appear in the lining of tiny tubes called tubules in the kidney.
Definition of rock dove - a mainly grey Old World pigeon that frequents coastal and inland cliffs. It is the ancestor of domestic and feral pigeons. Definition of rock dove - a mainly grey Old World pigeon that frequents coastal and inland cliffs. It is the ancestor of domestic and feral pigeons. dictionary
The species most commonly referred to as pigeon is the rock dove, one subspecies of which, the domestic pigeon, is common in many cities as the feral pigeon. Pigeons and doves are likely the most common birds in the world.