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»À´Â °ñ±âÁú (bone matrix)°ú °ñ¿° (bone mineral)À¸·Î ±¸¼ºµÇ¾î ÀÖ°í ±× ºñÀ²Àº ÀÏÁ¤ÇÏ´Ù. °ñ±âÁú°ú °ñ¿°À» ÇÕÃÄ °ñ·® (bone mass)À̶ó°í Çϸç,´ÜÀ§¿ëÀû³» °ñ·®ÀÌ °¨¼ÒÇÏ´Â »óŸ¦ °ñ°¨¼ÒÁõ (osteopenia)À̶ó°í Çϸç,°ñ´Ù°øÁõÀº °ñ°¨¼ÒÁõÀÇ ÇϳªÀÌ´Ù. Áï °ñ°¨¼ÒÁõ¿¡´Â ¨ç°ñ±âÁú°ú °ñ¿°ÀÇ ºñÀ²Àº º¯ÇÏÁö¾Ê°í °ñ·® (bone mass)ÀÌ º´ÀûÀ¸·Î °¨¼ÒÇÑ °ñ´Ù°øÁõ°ú ¨è°ñÇü¼ºÀÇ Á¦ 1´Ü°èÀÎ °ñ±âÁú (ÍéѦòõ)Àº Çü¼ºµÇÁö¸¸, Á¦ 2´Ü°èÀÎ ¹«±âÁúÀÇ Ä§ÂøÀåÇØ¿¡ ÀÇÇØ ÀϾ´Â °ñ¿¬ÈÁõ(osteomalacia,¼®È¸È ÀåÇØ¿¡ ÀÇÇÑ osteoidÀÇ Áõ°¡)ÀÌ ÀÖ´Ù.¨é ÃÖ±Ù¿¡´Â ¾çÀÚ º´ÇÕ·Ê, Áï °ñ·®ÀÇ °¨¼Ò¿Í ÇÔ²² À¯°ñÁ¶Á÷µµ
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2.¿øÀÎ
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1) Type I (postmenopausal)
2) Type II (senile)
³ª. ¼Ó¹ß¼º
3) Endocrine states:
¨ç Hyperthyroidism
¨è Hyperparathyroidism
¨é Cushing`s disease
¨ê Acromegaly
¨ë Pregancy
¨ì Diabetes Mellitus
¨í Hypogona¡¦(»ý·«)