"Excretion" Quotes from Famous Books
 ... in water, a peculiar matter is thrown off by the roots; and he believed that this extrementitious substance is eliminated because it is injurious to the plant, and that, remaining in the soil, it acts as a poison to those of the same species, and so prevents the growth of another crop. But this excretion, though poisonous to the plants from which it is excreted, he believed to be nutritive to those of another species which is thus enabled to grow luxuriantly where the others failed. Nothing can be more simple than ...
— Elements of Agricultural Chemistry • Thomas Anderson
... to the powers of the vegetal soul. In these powers virtue and vice are impossible, since they cannot be subject to reason; wherefore the appetitive power is differentiated from the powers of secretion, digestion, and excretion, and to it hunger and thirst are to be referred. Besides this there is another, the sensitive appetite, and it is in the concupiscence of this appetite that the vice of gluttony consists. Hence the first movement of gluttony ...
— Summa Theologica, Part II-II (Secunda Secundae) • Thomas Aquinas
... the coral reappears, but refined and ennobled into a part of the animal. The whole class is characterised by the separation of the fluid from the solid. On the one side, a gelatinous semi-fluid; on the other side, an entirely inorganic, though often a most exquisitely mechanised, calcareous excretion. ...
— Hints towards the formation of a more comprehensive theory of life. • Samuel Taylor Coleridge
... and oxygen, as it flows through the lungs, and convey these to all other parts of the body. Second, to act as a sort of sewage stream that drains off waste matter, and to carry this to the organs of excretion by which waste is ...
— Alcohol: A Dangerous and Unnecessary Medicine, How and Why - What Medical Writers Say • Martha M. Allen
... at length fills to the same height with the sandbar itself; as soon as it has acquired a consistency, the willow grows there the first year, and by its roots assists the solidity of the whole: as the mud and sand accumulate the cottonwood tree next appears; till the gradual excretion of soils raises the surface of the point above the highest freshets. Thus stopped in its course the water seeks a passage elsewhere, and as the soil on each side is light and yielding, what was only a peninsula, becomes gradually an island, and the river indemnifies itself for the usurpation ...
— History of the Expedition under the Command of Captains Lewis and Clark, Vol. I. • Meriwether Lewis and William Clark |
