Human physiology (Volume 2) . ation appears in the form of ahalitus or vapour, and the fluid is seen lubricating the free surfaceof the membrane. This, indeed, appears to be its principal office jby which it favours the motion of the organs upon each other. The serous exhalations probably differ somewhat in each cavity,or according to the precise structure of the membrane. The dif-ference between the chemical character of the fluid of the dropsyof different cavities would lead to this belief. As a general rule,according to Dr. Bostock,c the find from the cavity of the abdo-men contains the gre
Human physiology (Volume 2) . ation appears in the form of ahalitus or vapour, and the fluid is seen lubricating the free surfaceof the membrane. This, indeed, appears to be its principal office jby which it favours the motion of the organs upon each other. The serous exhalations probably differ somewhat in each cavity,or according to the precise structure of the membrane. The dif-ference between the chemical character of the fluid of the dropsyof different cavities would lead to this belief. As a general rule,according to Dr. Bostock,c the find from the cavity of the abdo-men contains the greatest proportion of albumen, and that fromthe brain the least ; but many exceptions occur to » Grundriss der Physiologie, 113. See, also, Hodgkins Lectures on the MorbidAnatomy of the Serous and Mucous Vleinhranes, P. i p. 27, Lond. 1836. b Journal Hebdomad. Fevrier, 1^:31. c ()p. citat. p. 485. *? Burdachs Physiologie a!s Erfahrungswissenschaft, v. 184, Leipz. 1835. EXHALATIONS — SEROUS — ADIPOUS. 235 Fig. Portion of areolar tissue inflated anddried, showing the general character of its b. Serous Exhalation of the Cellular Membrane. The nature of the primary cellular, areolar or fibro-cellularmembrane has been given in anearly part of this work (vol. i., ). As we observe it isnot properlycellular, but is composed of a net-work of fibres, and of lamellaeformed by the adhesion of fibreslaid side by side ; and these interwo-ven so as to leave numerous inter-stices and cavities amongst them,having a tolerably free communica-tion with each These interstices, wherever exist-ing, are kept moist by a serousfluid, analogous to that exhaledfrom serous membranes, and whichappears to have the same uses, —that of facilitating the motion of thelamellae, or fibres on each other, and Consequently Of the organs, be- larger meshes; magnified twenty diamei • i .i_ ,i i • ters. —{Todd and Bowman.) tvveen which the cellular tissue is placed. When this secretio
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