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Nevertheless, this aggregation is not dependent upon absorption, for it equally occurs from mechanical irritation of the gland, and always accompanies inflection, however caused, though it may take place without it.
A small tumor of the middle lobe of the gland, not larger that a hen's egg, will do more damage to the trachea than will a large tumor, such as that shown by Senn, after Bruns. When a tumor has attained this size, pressure-symptoms are often relieved by the weight of the tumor making traction away from the trachea.
Other digestive secretions from the pancreatic gland and the liver are poured into the small intestine near its origin. These digestive juices act on the proteids, sugars, starches and fats, changing them into substances that are capable of being absorbed.
This would seem to indicate that the milk gland was not a hypertrophied sebaceous gland, but a distinct outgrowth, which however had nothing to do with sweat glands. That the intra-uterine gestation, or its cessation, were not originally necessary to determine the functional periodicity of the milk glands is proved by their presence in the Monotremes, which are oviparous.
In the early stages the gland is enlarged, it may be to many times its natural size, is normal in appearance and consistence, and as there is no peri-adenitis it is easily shelled out from its surroundings. On microscopical examination, however, there is evidence of infection in the shape of bacilli and of characteristic giant and epithelioid cells.
Modern knowledge of these chemical substances, circulating in the blood, and affecting every cell of the body, dates back scarce half a century. But already the paths blazed by the pioneers have led to the exploration of great countries. The thyroid gland, the pituitary gland, the adrenal glands, the thymus, the pineal, the sex glands, have yielded secrets.
Not that the outlook is absolutely hopeless. Puberty, with its tremendous changes in the glands of internal secretion, when one can almost hear the clicks and the whirring of the wheels in the internal machinery, may transform. The unfathomed possibilities of gland therapy are still to be probed. But the general rule remains.
Where the new vessels, and enlarged old ones, which constitute inflammation, are not so hastily distended as to burst, and form a new kind of gland for the secretion of matter, as above mentioned; if such circumstances happen as diminish the painful sensation, the tendency to growth ceases, and by and by an absorption commences, not only of the superabundant quantity of fluids deposited in the inflamed part, but of the solids likewise, and this even of the hardest kind.
I was ill at the time, and he first flew to greet me and talk a little; he hopped upon my hand, and holding firmly on my forefinger he went through his usual morning toilette, first an application to his oil gland, then he touched up all his plumage, drew out his wing and tail feathers, fluttered himself into shape, and when quite in order he began to examine the contents of my breakfast tray; took a little sugar, looked to see if there were any grubs under the tray cloth, peered into the cream jug, decided that he didn't like the salt, gave me two or three hard pecks to express his profound affection, and then went off on a voyage of discovery, autour de ma chambre.
What a curious compound of nerve ends and gland activities a man's dreams that he lived by, or died for were! She pulled him out of his reverie by a deliberate movement of resolution, taking her hands away from her face, half rising and turning her chair so that she faced him squarely. "I want to know in so many words," she said, "why you're glad that I'm still bound to that Ravinia thing.
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