Word: semicircular
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...gather data on the malady, known also as mal de mer and nausea marma, to which most people, even sailors, are subject. He as found that there are five theories for its causation: 1) the labyrinthine (the ear contains two tiny sacs, the utricle and the saccule, and three semicircular canals, all of which aid in special orientation); 2) "muscle sense" disturbance (the muscle nerves localize in space the position of the limbs, head, eyes and other parts of the body); 3) eyestrain (the patient gets dizzy looking at the ever-changing sea); 4) peripheral vagus-nerve irritation (the insides...
...stimulation of the horizontal semicircular canals is the least objectionable, passengers soon learn that the recumbent position is most comfortable. They should select the midship region of the ship, where the motion is minimal, and the weather side of the vessel, as the wind is fresher there and in small ships not so apt to convey an undesirable odor from the galley. Cases that persist in spite of simple remedial measures, demand careful examination. A slight pre-existing cardiac incompetence may be aggravated by the efforts of vomiting and may cause a passive congestion of the abdominal viscera, with deficient...
...transplanted, the fish turns and swims on his side instead of in the usual upright posture. These experiments indicate that the eye has a definite function in maintaining the equilibrium of the body. It has heretofore been generally believed that the function of balance was maintained primarily by the semicircular canals which form a part of the interior mechanism...
...wing slip," and fatal accidents resulted from such causes. In other words, when the aviator was unable to orient himself in relation to the horizon by use of the visual sense, he could not depend for maintaining his balance on the knowledge coming to his brain from the semicircular canals alone...
...remarks upon the changes on the ground floor where the large lecture hall has been split up by a semi-circular wall into a smaller lecture room capable of holding about 205 people, with a raised platform at the back suitable for the exhibition of large casts; and a semicircular corridor outside the lecture room, for the exhibition of other casts. This adds materially to the exhibition space in the Museum, and makes it possible to separate the casts and the original works of art. These are the principal improvements, though other minor ones have been effected...