منابع مشابه
Coronary flow and myocardial oxygen metabolism in the newborn lamb.
Analysis of factors which may influence oxygen metabolism of the heart has received much attention since the early part of this century (1). Quantitative measurements of coronary blood flow and myocardial oxygen consumption (MVO,) have been accumulated from both human and animal studies (2, 3). These studies were uniformily concerned with adults, however, and virtually no information is availab...
متن کاملEffects of food restriction on cortisol, TSH and iodothyronine concentrations in the plasma of the newborn lamb.
The influence of food restriction, applied from birth to 36 h post partum, on neonatal thyroid function was studied in newborn Limousin x Romanov lambs. The control animals (n = 18) had free access to the mother and suckled ad libitum. Restricted lambs (n = 16) were removed from the mother and received limited amounts of colostrum in proportion to birth weight; 8 lambs were supplemented with la...
متن کاملThe Ultrastructure of Taste Buds in the Newborn Lamb
Tichy F.: The ultrastructure of Taste Buds in the Newborn Lamb. Acta vet. Brno, 61, 1992: 83-91. The ultrastructure of taste buds on circumvallate papillae collected from the tongues of three lambs on the day of birth was studied. Of special concern were the composition of the bud from dark, light and receptor cells, formation of the taste pore and the presence and nature of contacts of intrage...
متن کاملMathematical modeling of respiratory system mechanics in the newborn lamb.
In this paper, a mathematical model of the respiratory mechanics is used to reproduce experimental signal waveforms acquired from three newborn lambs. As the main challenge is to determine specific lamb parameters, a sensitivity analysis has been realized to find the most influent parameters, which are identified using an evolutionary algorithm. Results show a close match between experimental a...
متن کاملAutonomic influences on cardiac function in the newborn lamb.
The influences of reflexly induced changes of sympathetic outflow to the heart on left ventricle contractility, heart rate, and systemic vascular resistance were studied in 26 technically successful experiments with newborn lambs ranging in age from 1 to 11 days. Reduction of brachiocephalic artery perfusion pressure was associated with a large increase of heart rate and of systemic vascular re...
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ژورنال
عنوان ژورنال: Pediatric Research
سال: 1975
ISSN: 0031-3998,1530-0447
DOI: 10.1203/00006450-197508000-00056