fusion (fyu´zhun)

1. Liquefaction, as by melting by heat. 2. Union, as by joining together. 3. The blending of slightly different images from each eye into a single perception. 4. The joining of two or more adjacent teeth during their development by a dentinal union. See also concrescence. 5. Joining of two genes, often neighboring genes. [L. fusio, a pouring, fr. fundo, pp. fusus, to pour]
cell f. the merging of the contents of two cells by artificial means without the destruction of either, resulting in a heterokaryon that, for at least a few generations, will reproduce its kind; an important method in assignment of loci to chromosomes.
centric f. robertsonian translocation
flicker f. See critical flicker fusion frequency.
nuclear f. the formation of more complex atomic nuclei from less complex nuclei with release of energy, as in the formation of helium nuclei from hydrogen nuclei (hydrogen f.).
spinal f. , spine f. an operative procedure to accomplish bony ankylosis between two or more vertebrae.spondylosyndesis, vertebral f;
splenogonadal f. the formation of a mass consisting of splenic and testicular or ovarian tissue.
vertebral f. spinal f


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