ex-, ec-, e-
(Greek: out of, out, outside; away from; used as a prefix)
This is a prefix that is supposed to be used with words or roots of Greek origin. The ex- form is used before vowels or h; ec- goes before consonants.
ectopia
exarch
exegate
exegesis
exodont
exodontist
exodus
exosmosis
1. Diffusion or osmosis from within outward; movement outward through a diaphragm or through vessel walls.
2. A movement of fluid toward a solution of lower concentration, as is the case when water percolates through a cell membrane into the medium surrounding the cell.
3. The flow of a substance from an area of greater concentration to one of a lower concentration (opposed to endosmosis).
exostosis
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