Differences in the mineral contents between fair cerebri and tentorium cerebelli

To elucidate age-related changes of the dura mater, the authors investigate d age-related changes of mineral contents in the fair cerebri and the tento rium cerebelli by inductively coupled plasma-atomic emission spectrometry. The subjects consisted of 10 men and 15 women, ranging in age from 65 to 10 2 yr. The contents of calcium, phosphorus, and magnesium increased progress ively with aging in the fair cerebri, whereas the contents of sulfur, iron, and zinc remained constant, being independent of age. In regard to the ten torium cerebelli, the contents of calcium, phosphorus, and magnesium seemed to increase progressively with aging, but the contents of sulfur, iron, an d zinc hardly changed with aging. It was noteworthy that there were no sign ificant relationships between the fair cerebri and the tentorium cerebelli in such element contents as calcium, phosphorus, magnesium, sulfur, iron, a nd zinc.