| emigration | The passage of white blood cells through the endothelium and wall of small blood vessels. Origin: L. E-migro, pp. -atus, to emigrate (05 Mar 2000) |
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| emigration theory | That neoplasms originate from various cell rests, i.e., embryonal cells thought to persist in various sites after the development of the foetal organs and tissues. Synonym: emigration theory. (05 Mar 2000) |