-osis. 1  1 suffix meaning a (specified) action, process, or result: homeosis, narcosis, zygosis. 2  2 suffix meaning increase in a pathological condition: calcicosis, psittacosis, varicosis. -osis. , pl. Combining form meaning a process, condition, or state, usually abnormal or diseased; production of an abnormal substance, increase of a normal substance, or parasitic infestation.
If non-surgical treatment fails to relieve the symptoms of accessory navicular syndrome, surgery may be appropriate. Surgery may involve removing the accessory bone, reshaping the area, and repairing the posterior tibial tendon to improve its function. This extra bone is not needed for normal foot function.
As a result, there are a large number of orthopedic surgeons and neurosurgeons who specialize in spine surgery. Both neurosurgeons and orthopedic surgeons specializing in spine surgery are skilled in taking care of disc degeneration, disc herniations, spinal stenosis, spondylolistheses and fractures of the spine. There are a few areas where there still is a difference.