. On disorders of digestion, their consequences and treatment . Pig. 41.—Injected Ivmpli spaces from tlie fascia lata of tliu dog, after Ludwig andSchweigger-Seidel, LymflLqcfusze dcr Fascien und Schncn. The injected spacesare black in the figure. me to have a greater tendency to articular rheumatism. Tliis isAvhat one might expect, because, if by over-exertion irritant pro-ducts of waste should be formed in the muscle, they will^ tendrather to remain there when the fascia is soft, and give rise tomuscular pain; while in those whose fascia is hard, they will beremoved from the muscle, but may
. On disorders of digestion, their consequences and treatment . Pig. 41.—Injected Ivmpli spaces from tlie fascia lata of tliu dog, after Ludwig andSchweigger-Seidel, LymflLqcfusze dcr Fascien und Schncn. The injected spacesare black in the figure. me to have a greater tendency to articular rheumatism. Tliis isAvhat one might expect, because, if by over-exertion irritant pro-ducts of waste should be formed in the muscle, they will^ tendrather to remain there when the fascia is soft, and give rise tomuscular pain; while in those whose fascia is hard, they will beremoved from the muscle, but may possibly give rise to inflam-mation in the joints. This point is, I think, worthy of furtherattention ; and careful observations on it might give us valuabledata in regard to the true origin of rheumatism. In the ca&e of the large serous cavities also, we have other umping arrangements. In the central tendon of the diaphragm {vide Fig. 42) we have two layers which are alternately pressed. ri. 42.—Section of central tendon of the diaphragm. The injected lymph spaces,A and h, are black. At/the walls of the space are collapsed. After Ludwig andSchweigger-Seidel, Lympligefassc der Fascial und Schncn. tocrether and separated by the movements of respiration, so thatthey pump the lymph fiom the peritoneal cavity in much the samo 331 PA Til OL 0 G Y OF DROPS} way as the fascioe remove it from the muscles. This is well seenby connecting the trachea of a dead rabbit with an apparatus forartificial respiration, removing the lower part of the body andhanging the thorax up with the head downwards. A solution ofPrussian blue or other injecting fluid is then poured over the lowersurface of the diaphragm, and the aj^paratus for artificial respir-ation set in mution. Before long tlie Prussian blue is pumped intothe lymph spaces of the diaphragm, which then exhibit a beautifulblue network. Similar conditions to those in the diaphragm and muscles areto be found in the costal pleura {;c
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