. Human physiology : designed for colleges and the higher classes in schools, and for general reading. fluid. In the vestibule and semi-circularcanals, there is a second membrane. This is separate from thefirst membrane, and lies loose in the cavities. It makes a closesac, and as it extends from the vestibule into the semi-circularcanals, it is very irregular in its form. This sac contains a fluid,and the fluid secreted from the membrane which lines the bonebathes the outside of the sac. Now, it is on the delicate mem-brane which forms this sac, that the fibres of the nerve aredistributed, so
. Human physiology : designed for colleges and the higher classes in schools, and for general reading. fluid. In the vestibule and semi-circularcanals, there is a second membrane. This is separate from thefirst membrane, and lies loose in the cavities. It makes a closesac, and as it extends from the vestibule into the semi-circularcanals, it is very irregular in its form. This sac contains a fluid,and the fluid secreted from the membrane which lines the bonebathes the outside of the sac. Now, it is on the delicate mem-brane which forms this sac, that the fibres of the nerve aredistributed, so that they may receive the impression of thevibration of the fluid. In Fig. 153, is a representation of thissac, with the distribution of the nerve. At 1, 2, and 3, yousee the parts of this sac which line the semi-circular 4 is a junction of two of these canals, for what purpose weknow not. At 6, 9, 10, and 11, are seen the terminations ofbranches of the nerve. At 8 and 13 are two of these branches 24* 282 HUMAN PHYSIOLOGY. Distribution of the nerve in the semi-circular canals. FIG. and at 14 is the branch of the nerve which goes to be distrib-uted in the cochlea. In Fig. 154 is represented one of the parts FIG. 154.
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Keywords: ., boo, bookcentury1800, bookdecade1860, bookpublishernewyorksheldon
