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  • Title: Age-independent constancy of mineral contents in human vertebra and auditory ossicle.
    Author: Tohno Y, Tohno S, Utsumi M, Minami T, Ichii M, Okazaki Y, Nishiwaki F, Moriwake Y, Naganuma T, Yamada M, Araki T.
    Journal: Biol Trace Elem Res; 1997; 59(1-3):167-75. PubMed ID: 9522059.
    Abstract:
    To elucidate age-related changes of mineral contents in human bones, element contents of human vertebrae and auditory ossicles were determined by inductively coupled plasma atomic-emission spectrometry. The cervical, thoracic, and lumbar vertebrae were removed from 12 vertebral columns. The mallei of auditory ossicle were removed from 27 cadavers. It was found that average relative contents (RCs) of calcium and phosphorus in cervical, thoracic, and lumbar vertebrae remained almost constant within ages ranging from 46 to 99 y. In addition, it was found that the RCs of calcium and phosphorus in men's and women's mallei remained constant within ages ranging from 40 to 98 yr. These results support the view that there is no significant age-dependent change of mineral contents in human bones.
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