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endogenous a. 内生的;内因性的 内生的;内因性的 endogenous adj 1: of or resembling an endogen 2: derived or originating internally [ synonym: { endogenous}, { endogenic}] [ ant: { exogenic}, { exogenous}] 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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