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Then comes the unsuspecting sheep to take his frugal meal, and, cropping the grass, swallows it, cercariae and all. But the latter, when they find themselves in the sheep's stomach, make their way straight to the bile-ducts, up which they travel to the liver. Here, in a few weeks, they grow up into full-blown flukes and begin the important business of producing eggs.
Hence it appears, that not only those parts of the system, which are always excited by internal stimuli, as the stomach, intestinal canal, bile-ducts, and the various glands, but the organs of sense also may be more violently excited into action by the irritation from internal stimuli, or by sensation, during our sleep than in our waking hours; because during the suspension of volition, there is a greater quantity of the spirit of animation to be expended by the other sensorial powers.
I. 1.Bile-ducts less irritable after having been stimulated much. 2. Jaundice from paralysis of the bile-ducts cured by electric shocks. 3. From bile-stones. Experiments on bile-stones. Oil vomit. 4. Palsy of the liver, two cases. 5. Schirrosity of the liver. 6. Large livers of geese. II. Paralysis of the kidneys. III. Story of Prometheus.
The former pain at the pit of the stomach recurs by intervals, as the bile-stone is pushed against the neck of the duct; like the paroxysms of the stone in the urinary bladder, the other is a more dull and constant pain. Where these bile-stones are too large to pass, and the bile-ducts possess their sensibility, this becomes a very painful and hopeless disease.
In cystitis, pyelitis, abscess of the kidney, suppuration in the bile-ducts or liver, and in many other abdominal conditions, it plays a most important part. The discharge from wounds infected by this organism has usually a fœtid, or even a fæcal odour, and often contains gases resulting from putrefaction.
Now it happened some years ago that the sheep frequenting these pastures became affected with the disease known as 'liver-rot'; and here we must make a short digression into the domain of pathology. "'Liver-rot' is a disease of quite romantic antecedents. Its cause is a small, flat worm the liver-fluke which infests the liver and bile-ducts of the affected sheep.
Many other of them are excited by intermitted irritations, as those of the stomach and bowels by the aliment we swallow; of the bile-ducts by the bile; of the kidneys, pancreas, and many other glands, by the peculiar fluids they separate from the blood; and those of the lacteal and other absorbent vessels by the chyle, lymph, and moisture of the atmosphere.
Other glands strengthen or invert their motions by sympathy. 8. Vomiting performed by intervals. 9. Inversion of the cutaneous absorbents. 10. Increased secretion of bile and pancreatic juice. 11. Inversion of the lacteals. 12. And of the bile-ducts. 13. Case of a cholera. 14. Further account of the inversion of lacteals. 15. Iliac passions. Valve of the colon. 16. Cure of the iliac passion. 17.
There is, indeed, a very grave form of jaundice, happily of excessive rarity, due to malformation of the liver, to absence or obstruction of the bile-ducts, and often accompanied with bleeding from the navel.
Then comes the unsuspecting sheep to take his frugal meal, and, cropping the grass swallows it, cercariae and all. But the latter, when they find themselves in the sheep's stomach, make their way straight to the bile-ducts, up which they travel to the liver. Here, in a few weeks, they grow up into full-blown flukes and begin the important business of producing eggs.
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