- 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