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The Collaborative International Dictionary of English v.0.48 (gcide)

Endogenous \En*dog"e*nous\, a.
1. (Bot.) Increasing by internal growth and elongation at the
summit, instead of externally, and having no distinction
of pith, wood, and bark, as the rattan, the palm, the
cornstalk.
[1913 Webster]

2. (Biol.) Originating from within; increasing by internal
growth.
[1913 Webster]

{Endogenous multiplication} (Biol.), a method of cell
formation, seen in cells having a cell wall. The nucleus
and protoplasm divide into two distinct masses; these in
turn become divided and subdivided, each division becoming
a new cell, until finally the original cell wall is
ruptured and the new cells are liberated (see
{Segmentation}, and Illust. of {Cell Division}, under
{Division}). This mode of growth is characteristic of many
forms of cells, both animal and vegetable.
[1913 Webster]

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