Global ETD Search
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Showing 1 to 10 of 10 for “"ADULT SHEEP"”.
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Seasonal and Anatomical Variation in Compact Bone Remodeling in the Adult Sheep
… VARIATION IN COMPACT BONE REMODELING IN THE ADULT SHEEP</p> <p>Joseph Calcagno</p> <p>In order to determine whether ovine compact bone is suitable for study of osteoporosis, the remodeling parameters of the untreated animal must be fully characterized. Ovine compact bone is an attractive …
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The effects of early life nutrient restriction on the cardiovascular system of the adult sheep
… a higher incidence of cardiovascular disease in adulthood. The physiological processes involved are not yet clear. The aim of this thesis was to investigate how aspects of the cardiovascular system in the adult sheep are affected by early life periods of undernutrition, and to investigate to …
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Nutritional constraints to lamb growth at pasture
… and this area was studied in greater detail with adult sheep, which permitted repeated measurement of rumen digesta content. A preliminary experiment, conducted indoors, studied the effect of lamb age and cannulation on the development of rumen function in lambs weaned at 6 weeks of age and …
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Appetite Regulatory Neural Circuitry in the Prenatal Testosterone Treated and Obese Ewe
… characterize appetite regulatory neurons in the sheep brain which express both agouti-related protein (AgRP) and neuropeptide Y (NPY), or proopiomelanocortin (POMC) and cocaine- and amphetamine- regulated transcript (CART). We then asked whether this circuitry is altered in ewes at increased risk …
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The Role of VEGF and Smooth Muscle Phenotype in Hypoxic Remodeling of Ovine Carotid and Cerebral Arteries
… and common carotid arteries from fetal and adult sheep after exposure to a hypoxic setting (3280m for 110 days) or normoxic setting (sea level). These arteries were then subjected to endothelial denudation or left intact and then underwent structural and functional contractility assays, …
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Cerebral Microcirculatory Effects of Maturation
… (2B) and fourth (4B) branches of newborn and adult sheep middle cerebral arteries, 5-HT2 serotonergic receptors mediate contractile responses to serotonin and that alpha-1 adrenergic receptors mediate contractile responses to norepinephrine. In addition, tissue sensitivity to 5-HT and NE …
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Role of Protein Kinase G in Regulating Vascular Tone in Hypoxic Ovine Cerebral Arteries
… from normoxic and chronically hypoxic fetal and adult sheep. These arteries were denuded of endothelium and used in concentration-response relations using 5-HT as a contractant and measured contractile force. To measure the relative influence of the BK channel in these arteries, we used the …
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Effect of Long-Term Hypoxia on Myocardial Alpha1- Receptors
… receptors in both fetal and adult sheep myocardial ventricular membrane preparations. Myocardial α<sub>1</sub>-adrenergic receptor density (Bmax) declined during developmental process with both fetal left ventricle(LV) and fetal right ventricle(RV) having significantly more …
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Analysis, pharmacokinetics, metabolism and pharmacodynamics of labetalol in pregnant and nonpregnant sheep
… of labetalol was undertaken. Studies in adult nonpregnant sheep were also conducted to complement the data obtained from pregnant sheep. The maternal-fetal pharmacokinetics and pharmacodynamics of labetalol were studied in chronically instrumented pregnant sheep following a 100 mg i. …
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ΣΥΜΒΟΛΗ ΣΤΗ ΜΕΛΕΤΗ ΤΗΣ ΣΗΜΑΣΙΑΣ ΤΟΥ ΣΙΔΗΡΟΥ ΣΤΗΝ ΠΑΘΟΛΟΓΙΑ ΤΟΥ ΠΡΟΒΑΤΟΥ
… VALUES OF IRON ADMINISTERED BY ORAL ROUTE TO SHEEP (EXPERIMENTAL SIDEROSIS) WERE STUDIED.