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Updated: June 25, 2025
The persistent questions of Schwann made her very uneasy. Caillette said the same thing. She hardly knew what had happened; she only knew that her father had been injured. Bobichel came in. "The chain has been examined," he said, looking in La Roulante's face. "What of that!" she cried. "Why do you meddle in what does not concern you? Do you mean to say that any one meddled with the chain?"
At the moment when these observations were communicated to him Schwann was puzzling over certain details of animal histology which he could not clearly explain. Then, too, the researches of Friedrich Henle had shown that the particles that make up the epidermis of animals are very cell-like in appearance.
In the early part of the century observations upon various kinds of animals and plant tissues multiplied, and many microscopists independently announced the discovery of similar small corpuscular bodies. Finally, in 1839, these observations were combined together by Schwann into one general theory.
The Marquis entered the inn and looked around suspiciously, but saw no one but Schwann, who stood hat in hand; he did not advance, as the frown of the Marquis was far from encouraging. "Serve dinner in my room," said Cyprien, and he showed the silent Marquis up-stairs. When Schwann had laid the table and placed the dinner upon it, Cyprien took him aside.
I would state it more broadly as the agency of the cell in all living processes. It seems at present necessary to abandon the original idea of Schwann, that we can observe the building up of a cell from the simple granules of a blastema, or formative fluid.
A decade later Sprott and Boyd detected the existence of peculiar glands in the gastric mucous membrane; and Cagniard la Tour and Schwann independently discovered that the really active principle of the gastric juice is a substance which was named pepsin, and which was shown by Schwann to be active in the presence of hydrochloric acid.
Well, under these circumstances he felt that the case was quite clear, and that the mercury was not what it had appeared to M. Schwann to be, a bar to the admission of these organisms; but that, in reality, it acted as a reservoir from which the infusion was immediately supplied with the large quantity that had so puzzled him.
"I am willing to pay any price to get on this afternoon." The innkeeper did everything to place obstacles in the path of the Marquis, who, however, insisted on going. "Well!" said Schwann, to himself, "I shall not be easy until they return, for I fear that the inundation has only just begun."
"Oh! women, women! you have much to answer for!" sighed the innkeeper. "I was happy enough with my first wife, though, and Caillette is her very image." "She must be a big girl, now, it is five years since I saw her." "And she is nearly sixteen. An angel without wings!" "How does she get on with your wife?" "Oh! Roulante can't endure her!" Schwann shook his head.
The evidence points rather towards the axiom, Omnis cellula a cellula; that is, the germ of a new cell is always derived from a preexisting cell. The doctrine of Schwann, as I remarked long ago , runs parallel with the nebular theory in astronomy, and they may yet stand or fall together.
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