Selected monographs.

Date:: 1888

Catalogue details

Licence: Public Domain Mark

Credit: Selected monographs. Source: Wellcome Collection.

334/440 (page 316)

by the further influx of water into the oxpandin<r bag^ whetlier the bag can rise so as to diminish the angle between it and the efferent tube. Analogue : Intermittent hydro- nephrosis caused by the descent of the kidney and axial rotation of the ureter. (5) The effect of increased and diminished pressure can also be easily imitated with this apparatus. As in the patient, when the bag is filled, evacuation will at one time be rendered possible by increase, at another by diminution of pressure, according to the position of the bag. (6) The causation of hydronephrosis by prolapsus uteri is illustrated by hanging a weight on the efferent duct. As the weight is increased the walls of the efferent duct to a greater or less height above the weight are seen to become firmly pressed, together and to close the duct. Fhenomena of Moveable Kidney daring Pregnancy and Labour. According to the scanty observations hitherto available, the troubles caused by moveable kidney appear to be rather diminished than increased. (a) The growing womb pushes the intestines gradually up, and with them indirectly the kidney, as I have observed in two cases ; and by this means the evil effects of dragging and kinking of the vessels and ureter are usually alleviated, just as is the case when pregnancy supervenes in a case of descent of the generative organs. (b) To this is to be added the circumstance, that during pregnancy there is u:sually a copious deposit of fat in the panniculus adiposus and in the subperitoneal cellular tissue, which gives additional firmness to the attachments of the kidney. (c) Moreover the circumstance that menstruation (which exercises an untoward influence on the capsule of the kidney both anatomically and also symptomatically in its effect on ^ i.e. On tlie action of gravity iis against tlie tendency of the elastic]_bag to erect itself as it becomes tense?—Tkanslatok.