Spinal fusion: A surgical procedure in which two or more of the vertebrae in the spine are united together so that motion no longer occurs between them. Spinal fusion may be done to treat a number of conditions, including scoliosis, deformity, fracture, and disc disease. Bone grafts are usually placed around the section of the spine to be fused. The body then heals the grafts over several months, which joins the vertebrae together. The bone for the graft may be taken from another bone in the patient (autograft) or from a bone bank (allograft).
Main article: Weather in Madrid in May. The average maximum temperature in Madrid in May is 72Â°F/22Â°C and the average minimum temperature is 48Â°F/9Â°C.
Madrid in May is dominated by the San Isidro Festival, Madrid's biggest cultural event with daily bullfights for most of the month (see Bullfighting Schedule for Madrid 2014). Other key events in Madrid in May include: Dos de Mayo festival Around the Plaza Dos de Mayo square in MalasaÃ±a. Madrid Open Major tennis tournament