. Radiography and radio-therapeutics . reater and lesser tuber-osities, which unite to form the epiphysis. The epiphyseal line lies a littleway above the surgical neck, and is not horizontal, but is higher in the middle of the shaft thanat the outer and innersides. The increase inlength of the humerustakes place principally atthis epiphysis, and henceits great importance. Certain anatomicalfacts are worthy of notewhen we are consideringinflammatory conditionsand injuries of the bonesin the neighbourhood ofjoints, more especially inchildren and youngadults. It is importantto keep in mind the ch


. Radiography and radio-therapeutics . reater and lesser tuber-osities, which unite to form the epiphysis. The epiphyseal line lies a littleway above the surgical neck, and is not horizontal, but is higher in the middle of the shaft thanat the outer and innersides. The increase inlength of the humerustakes place principally atthis epiphysis, and henceits great importance. Certain anatomicalfacts are worthy of notewhen we are consideringinflammatory conditionsand injuries of the bonesin the neighbourhood ofjoints, more especially inchildren and youngadults. It is importantto keep in mind the chiefcentres of ossification andthe periods at which the epiphyses join the diaphyses in the joints mosthable to injury ; but as it is obvious that one cannot readily recall thewhole of them it is hopedthat a reference to theforegoing pages will behelpful. The markeddifferences between theappearances of joints inearly youth and in adult life must be noted to Epiphyses of head/i^ stubeixies blend avoid errors in diagnosis. w„h?ody«2ov. Fig. 203.—Lateral view of elbow-joint,to show epiphyses. Age 14. ^2 for coracoidprocess


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