-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.
Fractures to the scaphoid bone, also known as the navicular bone, are the most common fractures in the wrist. The wrist is made up of the distal end of two long bones, the radius and the ulna, and eight small bones known as the carpal bones.One of these carpal bones is the scaphoid bone.ractures to the scaphoid bone, also known as the navicular bone, are the most common fractures in the wrist. The wrist is made up of the distal end of two long bones, the radius and the ulna, and eight small bones known as the carpal bones. One of these carpal bones is the scaphoid bone.