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Medical ArticlesDimensions Of The Trachea And BronchiIt will be noted that the bronchi divide monopodially, not d... Symptoms Of Tracheal And Bronchial Foreign Body 1. Tracheal foreign bodies are usually movable and their mo... Cardiovascular Renal Disease Arrhythmia While this terns really signifies irregularity and intermit... The Dissection Of Femoral Hernia And The Seat Of Stricture Whilst all forms of inguinal herniae escape from the abdomen ... The Use Of The Brain LET us now consider instances where the brain alone i... Butter, Margarine And Fats In General Recently, enormous propaganda has been generated against eati... Pathology The part of the heart most affected is the part which has the... Pleuroscopes As mentioned above the anterior commissure laryngoscope and ... Blood Purifying Fever arising from bad state of the blood may be treated by ca... The Brain In Its Direction Of The Body WE come now to the brain and its direction of other p... Treatment Of Affections Of The Nervous Centres In affections of the nervous centres, the _brain_, the _cereb... Bathing The Feet This apparently simple treatment, if the best results are desi... The Central Point Of The Circuit The central point of the circuit--that point which divides be... Esophageal Dilators The dilatation of cicatricial stenosis of the esophagus can ... Strangulation Or Hanging Often accidentally caused in children or intoxicated persons. ... Foreign Bodies In The Bronchi For Prolonged Periods The sojourn of an inorganic foreign body in the bronchus for ... Sore Nipples This affection of nursing women frequently comes on before th... Turnip Poultice Part of a raw turnip is grated down to a pulp. As much of this... Rose See Erysipelas. ... Nerves Shaken By this we mean, not the nerve trouble which follows a sudden ... |
Disorders Of Muscles And BonesCategory: OUR TELEPHONE EXCHANGE AND ITS CABLES Source: A Handbook Of Health The Muscles and Bones Have Few Diseases. Considering how complex it is, and the never-ceasing strain upon it, this moving apparatus of ours, the nerve-bone-muscle-machine, is surprisingly free from disease. The muscles, though they form nearly half our bulk, have scarcely a single disease peculiar to them, or chiefly beginning in them, unless fatigue and its consequences might be so regarded. They may become weakened and wasted by either lack or excess of exercise, by under-feeding, or by loss of sleep; but most of their disturbances are due to poisons which have got into the blood pumped through them, or to paralysis or other injuries to the nerves that supply them. The muscles of an arm, for instance, which has been lashed to a splint, or shut tightly in a cast for a long time, waste away and shrink until the arm becomes, as we say, just skin and bone; and the same thing will happen if the nerve supplying a muscle, or a limb, is cut or paralyzed. The bones have more diseases than the muscles, but really comparatively few, considering their great number and size, and the constant strain to which they are subjected in supporting the body, and driving it forward and doing its work under the handling and leverage of the muscles. Most of their diseases are, like those of the muscles, the after-effects of general diseases, particularly the infections and fevers, which begin elsewhere in the body; and the best treatment of such bone diseases is the cure and removal of the disease that caused them. Repair of Broken Bones. If bones are broken by a fall, or blow, they display a remarkable power of repair. The skin covering them (periosteum) pours out a quantity of living lime-cement, or animal-mortar, around the two broken ends, which solders them together, much as a plumber will make a joint between the ends of two pipes. This repair substance is called callus. The most remarkable thing about the process is that, when it has held the two broken ends together long enough for them to knit firmly--that is, to connect their blood vessels and marrow cavities properly--this handful of lime-cement, which has piled up around the break, gradually melts away and disappears; so that, if the ends of the bone have been brought accurately together, you can hardly tell where the break was, except by a slight ridge or thickening. Next: Troubles Of The Nervous System Previous: Sleep And Rest
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