MC1288
\ˌɛmsˈiː wˈɒn θˈa͡ʊzənd tˈuːhˈʌndɹədən ˈe͡ɪtiˈe͡ɪt], \ˌɛmsˈiː wˈɒn θˈaʊzənd tˈuːhˈʌndɹədən ˈeɪtiˈeɪt], \ˌɛ_m_s_ˈiː w_ˈɒ_n θ_ˈaʊ_z_ə_n_d t_ˈuː_h_ˈʌ_n_d_ɹ_ə_d_ə_n ˈeɪ_t_i__ˈeɪ_t]\
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The physiologically active form of vitamin D. It is formed primarily in the kidney by enzymatic hydroxylation of 25-hydroxycholecalciferol (CALCIFEDIOL). Its production is stimulated by low blood calcium levels and parathyroid hormone. Calcitriol increases intestinal absorption of calcium and phosphorus, and in concert with parathyroid hormone increases bone resorption.
By DataStellar Co., Ltd
