DICT.TW Dictionary Taiwan

 ex·og·e·nous a.
 1. Bot. derived from or originating outside; pertaining to, or having the character of, an exogen; -- the opposite of endogenous.
 Syn: -- exogenetic.
 2. Bot. Growing by addition to the exterior; growing by addition of a new external layer of cells on the surface just beneath the bark; -- of plants.
 3. Anat. Growing from previously ossified parts; -- opposed to autogenous.
 Exogenous aneurism Med., an aneurism which is produced by causes acting from without, as from injury.
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