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PURPOSE To elucidate the etiology of an acquired, restrictive motility disorder in patients with high myopia. METHODS Thirty-three orbits were imaged using a Siemens Magnetom or Siemens Vision (both 1.5 Tesla) MRI (magnetic resonance imaging) scanner, applying a head coil. Coronal T1-weighted, spin-echo images were obtained. Orbits of three different(More)
As every mathematics text, this text can be read linearly, cover-to-cover. This approach however would delay readers that are interested in the content of latter chapters. As it turns out, such delay is not necessary. The concept map below indicates how content can be organized to satisfy a variety of interests. The only common requirement is satisfactory(More)
Epidemiological studies show that a positive correlation exists between the consumption of strongly heated meat and fish and the development of colorectal tumours. In this context, it has been postulated that the uptake of toxic substances formed during meat and fish processing such as heterocyclic aromatic amines (HCAs) may be causally related to colon(More)
AIMS Observational studies have suggested a mechanistic link between the leucocyte-derived enzyme myeloperoxidase (MPO) and vasomotor function. Here, we tested whether MPO is systemically affecting vascular tone in humans. METHODS AND RESULTS A total of 12 135 patients were screened for leucocyte peroxidase activity. We identified 15 individuals with low(More)
Endogenous P(i) recycling is a characteristic feature of the P homeostasis in ruminants. A pronounced salivary P(i) secretion into the rumen is balanced by a high intestinal P(i) absorption and an almost complete renal P(i) reabsorption. In monogastric animals, the major P(i) transport mechanism across the apical membrane of the enterocyte is an(More)
The quantitative role of different segments of the gastrointestinal tract for Ca absorption, the respective mechanisms, and their regulation are not fully identified for ruminants, that is, cattle. In different in vitro experiments the forestomach wall has been demonstrated to be a major site for active Ca absorption in sheep and goats. In order to further(More)
It has recently been demonstrated that prepartum administered 25-hydroxyvitamin D3 (25-OHD3) is a promising candidate to assist the maintenance of peripartal calcium homeostasis in dairy cows. Since the incidence of peripartal hypocalcemia and the reported beneficial effects of the treatment are both associated with the lactation number, we investigated(More)
During lactation, mineral and nutrient requirements increase dramatically, particularly those for Ca and glucose. In contrast to monogastric species, in ruminants, it is rather unclear to which extend this physiological change due to increased demand for milk production is accompanied by functional adaptations of the gastrointestinal tract (GIT). Therefore,(More)