ECHO n.
A nymph, the daughter of Air and Earth, who, for love of Narcissus, pined away until nothing was left of her but her voice. Compelled me to awake the courteous Echo To give me answer from her mossy couch. Milton. Echo organ (Mus.), a set organ pipes inclosed in a box so as to produce a soft, distant effect; -- generall…
ENDOGENOUS a.
t 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 veget…