L'établissement thermal encyclopédie : un système d'hygiène et de l'hydropathie .. . Ce qui concerne l'OB* OS EN VRAC. "6 &NATOMY. Fig. Une vue microscopique d'un minutfstructure l'ia d'os est illustré à Tig2. I. Un oi, entouré de canaux Haversien c Jicertric lnmelln2. La même, avec les cellules et tu>buli. 3. Domaine de l'un des canaux.44. Direction de l'ot, canal médullaire encentral. La partie supérieure de l'orf- la coupe représente plusieurs longues cor-puscles, ou cellules, avec leur tubuli,la partie inférieure présente le outlinesof plusieurs autres canalB. Investir Membrane.-Tous les os sont une investedwith fibreux denses mem-bran

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The hydropathic encyclopedia: a system of hydropathy and hygiene .. . RELATION OB BONE* TO BULK. «6 &NATOMY. Fig. a A microscopic view ai the minutfstructure of bone is shown in Tig2. I. One oi the Haversian canals, surrounded by c Jicertric lnmelln2. The same, with the cells and tu>buli. 3. Area of one of the canals.4 4. Direction ot the medullary, encentral canal. The upper part orf- the cut represents several long cor-puscles, or cells, with their tubuli, the lower part exhibits the outlinesof several other canalB. Investing Membrane.—All the bones are investedwith a dense fibrous mem-brane, called periosteum, ex-cept at their articulating sur-faces, which are lined by athin layer of cartilage. Thatportion of the periosteumwhich covers the skull bones is called pericranium ; and when it isprolonged over external cartilages, it is termed perichondrium. The internal cavities of long bones, and the canals and cells of oth-ers, are lined by a membrane called medullary, and filled with an oilyBubstance, called medulla, or marrow.. MINUTE STRUCTURE OT BONE. Development or Bone.—The osseous, like all organized struc-tures, is found to exist primordiaDy in a state of extremely minutevesicles, or cells. Each cell is composed of a thin membrane, enclosinga fluid matter, in which is a small, denser mass, constituting the nucleuseround which the cell itself was originally developed. Within eachnucleus may usually be found one or more smaller granules, or cells, called nucleolus, or nucleoli. And whether there are within thesenucleoli yet smaller vesicles, and within them more minute nucleolistill, and so on, must be left to imagination. The human mind mustgrasp infinity before it can comprehend the primal atom, or starting-point, of vital organization. Stages or Ossification.— The first recognizable change of ordinaryresides toward bony structure is an assemblage of minute cells, of ngelatinous or jelly-like consistence. In the piocess of growth thesejells are separat

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