(EDEMA. 273 



inability of the heart to maintain the normal force of the cir- 

 culation. Renal dropsy results from alterations in the blood 

 as a consequence of its loss of albumin and possibly also 

 from degenerative changes in the vascular walls. Cachectic 

 oedema is associated with almost any condition of impaired 

 health accompanied by anaemia. Localized cedemas are some- 

 times associated with lesions of the nervous system, as those 

 attending neuritis, neuralgia, and occasionally hemiplegia. 



18-Hist. 



