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The lymph can enter only at some place where the blood pressure is less than the pressure that moves the lymph. Such a place is found in the thoracic cavity. This, as we have seen, aids in the flow of the blood into the right auricle. It also aids in the passage of lymph into the blood vessels.
Most of the mosquitoes in which the development takes place are night-feeders, so that the parasites are sucked up with the blood of the victim. Once inside the stomach they soon free themselves from the inclosing sheath and make their way through the walls of the stomach and enter the muscular tissue, particularly the thoracic muscles.
His friends were told of his apparently hopeless condition. There were no external signs of the injury with the exception of the emphysema following rupture of the lung. Respiration was limited and thoracic movement diminished by adhesive straps and a binder; under careful treatment the man recovered.
Won't young missa be glad haself! white folks, black folks all be glad, Wugh!" The finishing exclamation was one of those thoracic efforts peculiar to the American negro, and bearing a strong resemblance to the snort of a hippopotamus. Its utterance signified that my companion had finished his sentence, and waited for me to speak. "And who is `young missa'?" I inquired.
To suppose that the cerebellum of an ape is naturally uncovered behind is a miscomprehension comparable only to that of one who should imagine that a man's lungs always occupy but a small portion of the thoracic cavity because they do so when the chest is opened, and their elasticity is no longer neutralized by the pressure of the air.
The divinity-student came and read over her shoulder, very curious, apparently, but his eyes wandered, I thought. Fancying that her breathing was somewhat hurried and high, or thoracic, as my friend, the Professor, calls it, I watched her a little more closely. It is none of my business. After all, it is the imponderables that move the world, heat, electricity, love.
Diseases of the investing membrane of the lungs, and the pleura of the thoracic cavity, and of the substance of the lungs, are more frequent than those of the heart. or inflammation of the membrane of the chest and the lungs of the dog, is not unfrequent. There are few instances of inflammation of the lungs, or pneumonia, that do not ultimately become connected with or terminate in pleurisy.
From the white color of the contents of these vessels, they have been named lacteals or milk-bearers, from lac, which signifies milk. These lacteals ultimately converge into one trunk, called the thoracic duct, which terminates in the great vein under the clavicle or collar bone, hence called the subclavian vein, just before that vein reaches the right side of the heart.
He also pointed out the fact that the sting of the insect is able immediately to dissociate the nervous system of the vegetative life from that of the correlative life, sparing the former, and taking care not to wound the abdomen, which contains the ganglions of the great sympathetic nerve, while it annihilates the latter, which is more or less concentrated along the ventral face of the thoracic region.
We only know that a short snub nose goes with an over-sympathetic nature, not proud enough; while a long nose derives from the center of the upper will, the thoracic ganglion, our great center of curiosity, and benevolent or objective control.
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