Also found in: Dictionary, Thesaurus, Legal, Encyclopedia.
1. the act or process of melting.
2. the merging or coherence of adjacent parts or bodies.
3. the coordination of separate images of the same object in the two eyes into one.
4. the operative formation of an ankylosis or arthrosis.
diaphyseal-epiphyseal fusion operative establishment of bony union between the epiphysis and diaphysis of a bone.
spinal fusion surgical creation of ankylosis between contiguous vertebrae; used in treatment of spondylosis and ruptured intervertebral disk. Called also spondylosyndesis.
spi·nal fu·sion, spine fusion
an operative procedure to accomplish bony ankylosis between two or more vertebrae.
spi·nal fu·sion, spine fusion (spī'năl fyū'zhŭn, spīn)
A surgical procedure to accomplish bony ankylosis between two or more vertebrae.