. A text-book of comparative physiology [microform] : for students and practitioners of comparative (veterinary) medicine. Physiology, Comparative; Veterinary physiology; Physiologie comparée; Physiologie vétérinaire. apeoial facta of renal aeoretion. Mora recently it haa been ran- dared clear that phyaioal theoriea of the worli of the Iddney can not hold, eren of Uie f lomeruU, which are ahown to be^ aa we ahould have expected, true aeerating organa. Now, there can be no doubt that blood-preaauie ia a nwat important determin- ing condition here aa in f>thar accreting proeaaaea, in the m
. A text-book of comparative physiology [microform] : for students and practitioners of comparative (veterinary) medicine. Physiology, Comparative; Veterinary physiology; Physiologie comparée; Physiologie vétérinaire. apeoial facta of renal aeoretion. Mora recently it haa been ran- dared clear that phyaioal theoriea of the worli of the Iddney can not hold, eren of Uie f lomeruU, which are ahown to be^ aa we ahould have expected, true aeerating organa. Now, there can be no doubt that blood-preaauie ia a nwat important determin- ing condition here aa in f>thar accreting proeaaaea, in the mam- nwl at all ereuta; but whether of itaelf or beoauae of the influ- ence it liaa on the rapidity of blood-flow, it ia difficult to deter- mine; or rather whether aolely to the latter, foir that the con- atant aupply of fraah blood ia a regular condition of normal aecretion there can be no doubt. Further, it aeema probable that blood-prearare haa more to do with the accretion of water than auy other conatituent of urine. But we maintain that it ahould be called a genuine aeoretion, and that nothing ia gained by uaing the term " filtration "âon the contrary, that it ia mialead- ing, and tenda to dirert i|ttention from the real though often hidden nature of vital proeeaaea. The facta of diaaaac and the evidence of thcnpeutica, we think, all favor auoh a view of the work of the Udneya. Nervea having an influence over the accretion of urine aimi- lar to thoae acting on the digeative glanda have not yet been determined. Hie powerful influence of emotion, eapecially well aeen in thd dog, over the aeoretion of urine ahowa that there muat be nervoua chaanela through which the nerv»> centera act on the kidneya; though whether the reaulta are not wholly dependent upon vaao-motor effeota may be ooaaidered aa an open queation by many. We iliink auch a view Im* probable in the higheat degree. Hie moat recent inveetigationa would aeem to ahow that the vaao-motor fiber
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