title: Calcium metabolism and the osteopenia of space flight.
abstract: This paper briefly reviews the subject of bone remodelling and calcium homeostasis and considers the changes that occur in the microgravity environment of space. The effectiveness of exercise as a countermeasure to bone demineralisation is discussed.
authors.affiliation: Institute of Space Medicine, University of Sheffield.
authors.forename: T
authors.initials: T
authors.lastname: Scratcherd
authors.forename: D
authors.initials: D
authors.lastname: Grundy
mesh_terms: D018488:Bone Demineralization, Pathologic / Q000209:etiology / Q000503:physiopathology* / Q000517:prevention & control*; D016723:Bone Remodeling / Q000502:physiology*; D001842:Bone and Bones / Q000033:anatomy & histology / Q000378:metabolism / Q000503:physiopathology; D002118:Calcium / Q000378:metabolism*; D005081:Exercise Therapy; D006801:Humans; D013026:Space Flight; D014893:Weightlessness / Q000009:adverse effects*; D018544:Weightlessness Countermeasures
chemical_list: D002118:Calcium