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Mr Rodgers of Sheffield some years ago forwarded a variety of such specimens to the Edinburgh College Museum, and these were very closely examined by Professor Goodsir, who, in a communication to the Royal Society of Edinburgh, demonstrated that this arose simply from a property of isolating foreign substances common to all osseous organised bodies: the ball having been enclosed by the tusk in its pulpy secretion, and corrosive action thereby prevented, the process of growth continued without interruption.
The other intestines are by association excited into more powerful action, while the lymphatics, that open their mouths into them, suffer an inversion of their motions corresponding with the lymphatics of the stomach, and duodenum; which with a part of the abundant secretion of bile is carried downwards, and contributes both to stimulate the bowels, and to increase the quantity of the evacuations.
It was the humming of bees! The upper branches were alive with these industrious toilers, and Big Tom was always on the alert to discover and mark a bee-gum, which he could visit afterwards. Honey hunting is one of his occupations. Collecting spruce gum is another, and he was continually hacking off with his hatchet knobs of the translucent secretion. How rich and fragrant are these forests!
It is sometimes, however, possible, even where there is sterility in the male, providing the secretion is not entirely devoid of life properties on part of the husband, to have children, but these are exceptions. No man need hesitate about matrimony on account of sterility, unless that condition arises from a permanent and absolute degeneration of his functions.
The control of the glands of internal secretion waits upon our knowledge of them, the nature and precise composition of the substances manufactured by them, and just what they do to the cells. Envisaging the future, that knowledge today is meagre. Looking back fifty years, it becomes an amazing achievement and revelation.
Even though she may have her own baby, there are few women who can submit, for more than a very few days, to the artificial emptying their breast without the secretion being either greatly lessened or altogether arrested.
This is not, however, a regular habit, as in the case of hawks and owls, and is rather, perhaps, the result of some abnormally irritating food. Pigeons digest their food with the aid of a secretion in the crop, and it is on this soft material, popularly known as "pigeons' milk," that they feed their nestlings.
The spirochæte is demonstrated in incredible numbers in the liver, spleen, lung, and other organs, and in the nasal secretion, and, from any of these, successful inoculations in monkeys can readily be made.
Under the right conditions recession of the most marked virility or femininity becomes conceivable, and occurs. What is the secret of the variable internal secretion admixtures? You can tell us that the recipes are different, the ingredients different, the results different as a Nesselrode pudding is from, say, a rice pudding. But what is the inner mechanism of the process?
We must then look upon the internal secretion as composed of the liquid elements of the testicular secretion. So far as physiologists know at present, the external secretion differs from the internal secretion only in possessing spermatozoa.
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