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Most of this relatively huge size, which happens in the human alone, and not in other animals, is due to enlargement of the cortex. Should this preponderance of the cortex over the medullary portion not occur in the human, that is, if the proportions remain like those of other animals, the brain fails to develop properly, or an entirely brainless monster is generated.
He on his charge the healing work begun With antmomial mixtures by the tun: Ten minutes was the time he deigned to stay, The time of grace allotted once a day: He drenched us well with bitter draughts, tis true, Nostrums from hell, and cortex from Peru: Some with his pills he sent to Pluto's reign, And some he blistered with his flies of Spain.
The conclusion was strengthened by experiments of the students of motor localization, which showed that the veritable centres of their discovery lie, demonstrably, in the gray cortex of the brain, not in the white matter. But the full proof came from pathology.
It furnishes the druggists of Europe with the famous Cortex Angosturae, and forms the genus Bonplandia, described by M. Willdenouw in the Memoirs of the Academy of Berlin, from notes communicated to him by us.
Sections through the Æcidia and Spermogonia on the cortex present structures so similar, except in minute details which could only be explained by lengthy descriptions and many illustrations, that I shall not dwell upon them; simply reminding the reader that the resemblances are so striking that systematic mycologists have long referred them to a mere variety of the same fungus.
Sleep must arise further if our will associates the mere idea of such rest, and finally physical or chemical means may produce a sleep bringing effect either on the lower center or on the blood-vessels and cells of the cortex. Correspondingly sleep may be prevented by disturbances in any one of these spheres.
Inasmuch as we know that creatin, creatinin and potassium salts irritate the animal cortex, Ziehen notes that psychopathic phenomena may occur in man as a result of slight uremic changes.
But the case is still stronger when we note what happens to an individual when something goes wrong with the brain. Can this poor lunatic, who has dropped from the high level of educated manhood to a condition more helpless than that of an animal, just because of a relatively slight disintegration of the cortex, be expected to recover his intellect by means of its total disintegration?
Vitus's dance; a nervous disease marked by irregular and involuntary movements of the limbs and face. CHRESTOMATHY. A collection of extracts and choice pieces. CHRISTENTHUM. The Christian belief; the spirit of Christianity. COMMANDO EXERCISES. Gymnastic exercises whose order is dependent upon the spoken command of the director. CORTEX. The gray matter of the brain, mostly on its surface.
The bones show a feeble shadow with the X-rays, and appear thin and atrophied; the medullary canal is increased at the expense of the cortex. In young infants in whom multiple fractures occur the prognosis as to life is unfavourable, and no satisfactory treatment of the disease has been formulated. If the patient survives, the tendency to fracture gradually disappears.
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