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Elastic properties of human aortas in relation to age and atherosclerosis: a structural model.
A new structural model is described for the tension-radius relationship of blood vessels, taking into account their mechanically important constituents: collagen, elastin and smooth muscle. The modelExpand
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Body temperature control of rat tail blood flow.
Tail blood flow (BF) and heat flow (HF) were measured in five albino rats during transients in rectal temperature (Tre) caused by body heating at rest. During heating, tail temperature (Tt) was keptExpand
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Optimal estimation of T2 maps from magnitude MR images
A Maximum Likelihood estimation technique is proposed for optimal estimation of Magnetic Resonance (MR) T2 maps from a set of magnitude MR images. Thereby, full use is made of the actual probabilityExpand
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Temperature dependence of the circulation pattern in the upper extremities.
1. The rate of blood flow D through the hand and the rate of heat H transferred by that blood flow into the hand were measured on eleven subjects between 18 and 22 years old. The hand was immersed inExpand
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In-vivo non-invasive study of the thermoregulatory function of the blood vessels in the rat tail using magnetic resonance angiography.
In rats, a significant portion of total body heat loss occurs through sympathetically mediated changes in tail blood flow, making the rat tail a convenient model to study vasomotor activity duringExpand
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Volume quantization of the mouse cerebellum by semiautomatic 3D segmentation of magnetic resonance images
The aim of this work is the development of a non-invasive technique for efficient and accurate volume quantization of the cerebellum of mice. This enables an in-vivo study on the development of theExpand
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In vivo noninvasive determination of abnormal water diffusion in the rat brain studied in an animal model for multiple sclerosis by diffusion-weighted NMR imaging.
In vivo NMR images of the rat brain were obtained using a NMR microscope (7 T) from SMIS (England). Four animals were imaged every 3-4 days during a pathological cycle (starting after induction andExpand
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Two-component versus admittance tympanometry.
The probe tone frequency of electro-acoustic bridges has a direct effect on the shape of the tympanograms obtained. At higher frequencies (800 Hz) typical patterns are generated for eardrumExpand
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Mathematical circulation model for the blood-flow-heat-loss relationship in the rat tail.
A mathematical model for the heat-loss-blood-flow relationship is developed for the rat tail. When supplied with experimental values of heat loss and blood flow, the model allows one to compute theExpand
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A thermodynamically consistent constitutive equation for the elastic force-length relation of soft biological materials.
Starting from the laws of thermodynamics of reversible processes, a temperature-dependent constitutive equation is derived for the elastic force-length relation of soft biological tissues. TheseExpand
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