Open AccessDeterminants of endogenous calcium entry into the gut
Author(s) -
K. Michael Davies,
Karen Rafferty,
Robert P. Heaney
Publication year - 2004
Publication title -
american journal of clinical nutrition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.608
H-Index - 336
eISSN - 1938-3207
pISSN - 0002-9165
DOI - 10.1093/ajcn/80.4.919
Subject(s) - calcium , endogeny , phosphorus , endocrinology , medicine , excretion , chemistry , zoology , biology , organic chemistry
In addition to food sources, calcium enters the gut by way of digestive secretions and shed mucosa. In health, such entry is as large as or larger than urinary calcium excretion. Because calcium absorption is inefficient, most of this endogenous intestinal calcium is excreted.
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