(?), a. 1. (Bot.) derived from or originating outside; pertaining to, or having the character of, an exogen; -- the opposite of endogenous.
Syn. -- exogenetic.
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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.
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3. (Anat.) Growing from previously ossified parts; -- opposed to autogenous. Owen.
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4. (Med.) caused by factors from outside the body, rather than from an abnormality of internal functions; -- of illness.

5. (Biol., Biochem.) not synthesized within the organism; absorbed or assimilated from outside the organism.

Exogenous aneurism (Med.), an aneurism which is produced by causes acting from without, as from injury.
[1913 Webster]


(?) n. [NL., fr. Gr. out, outside + circle.] (Paleon.) A genus of Cretaceous fossil shells allied to oysters.
[1913 Webster]


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Wed 16th June 2021