• Originating externally.
  • Originating or produced from outside a cell, tissue, or organism.
  • Growing by additions on the outside; specifically, in <em>botany</em>, belonging to or characteristic of the class of exogens.
  • Produced on the outside, as the spores of hyphomycetous and many other fungi; growing out from some part: specifically applied in anatomy to those processes of a vertebra which have no independent ossific centers of their own, but are mere outgrowths.
  • In <em>geology</em>, applied by Von Humboldt to extrusive, volcanic rocks, in contrast to <em>endogenous</em> rocks. See <internalXref urlencoded="endogenous">endogenous</internalXref>, 3.
  • derived from or originating outside; pertaining to, or having the character of, an exogen; -- the opposite of <ant>endogenous</ant>.
  • 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.
  • Growing from previously ossified parts; -- opposed to <contr>autogenous</contr>.
  • caused by factors from outside the body, rather than from an abnormality of internal functions; -- of illness.
  • not synthesized within the organism; absorbed or assimilated from outside the organism.
  • an aneurism which is produced by causes acting from without, as from injury.
  • <xref>produced</xref> or <xref>originating</xref> <xref>outside</xref> of an <xref>organism</xref>
  • of a disease: having an <xref>external</xref> cause
  • of information: received from outside a group
  • descriptive of a group created by public as opposed to private information
  • derived or originating externally
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