Results 261 to 270 of about 49,903 (309)
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Wave Phenomena in Physiological Flows
IMA Journal of Applied Mathematics, 1984The aim of this paper is twofold: for a newcomer in the field of physiological fluid mechanics it offers a very short and clear presentation of the one-dimensional theory of pressure waves in elastic tubes (section 2). In this theory the main assumption is the relation between the channel (tube) cross-section area and internal pressure, the so called ...
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Physiology of Continuous-Flow Pumps
AACN Advanced Critical Care, 2012The use of mechanical pumps for circulatory support started in the mid-1950s. The evolution of these devices has led to the present-day use of continuous-flow pumps to take over the function of a patient’s failing heart. The physiology associated with rotary blood pump use is quite different from normal cardiovascular physiology.
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A semiparametric approach to physiological flow models
Journal of Pharmacokinetics and Biopharmaceutics, 1989By regarding sampled tissues in a physiological model as linear subsystems, the usual advantages of flow models are preserved while mitigating two of their disadvantages, (i) the need for assumptions regarding intratissue kinetics, and (ii) the need to simultaneously fit data from several tissues.
D, Verotta +3 more
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THE PHYSIOLOGY OF BONE BLOOD FLOW
The Journal of Bone and Joint Surgery-American Volume, 2006Bone circulation plays an important role in bone physiology, but has been relatively poorly studied, because most techniques of circulatory research are difficult to apply to bone. This article summarizes briefly some of the important aspects of the physiology of bone blood flow most relevant to orthopaedics.The gold standard for experimental ...
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2017
The lymphatic system is an elaborate network of vessels that act harmoniously to pump fluid and cells, collectively called lymph, from the interstitial space into the blood circulation. The journey of lymph begins with the extravasation of fluid and cells from the blood capillaries into the interstitium. These are then taken up by the initial lymphatic
Anish Mukherjee +2 more
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The lymphatic system is an elaborate network of vessels that act harmoniously to pump fluid and cells, collectively called lymph, from the interstitial space into the blood circulation. The journey of lymph begins with the extravasation of fluid and cells from the blood capillaries into the interstitium. These are then taken up by the initial lymphatic
Anish Mukherjee +2 more
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The calculation of entrance length in physiological flow
Medical & Biological Engineering, 1975Entrance length is proportional to the square of the thickness δ of the oscillating boundary layer on the walls of the tube. Values of δ calculated for a rigid tube of circular cross-section are presented. Entrance length is important because of the multiple branching of the vascular network.
E, Kassianides, J H, Gerrard
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The Physiologic Importance of Pulsatile Blood Flow
New England Journal of Medicine, 1962NOT since the time of Hippocrates has the diagnostic value of the arterial pulse been disputed. Yet its role in physiology is considered of little, if any, consequence. Typical of this attitude was Wesolowski's1 statement that "the presence of the pulse may represent nothing more in physiological terms than an expression of the limitations of the ...
H, Wilkens +2 more
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Cerebral blood flow and vascular physiology
Anesthesiology Clinics of North America, 2002The cerebral circulation is tightly regulated to meet the brain's metabolic demands. Although the mechanism is not fully understood, the major physiologic influences on cerebral blood flow have been well documented. In this chapter the basic vascular anatomy, and physiologic control of the cerebral circulation are reviewed.
Monica S, Vavilala +2 more
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Flowmeter for slow-flowing physiological liquids
Medical & Biological Engineering & Computing, 1984We have developed a device to measure continuously the slow flow of fluid secreted by the fungs of foetal lambs. Typically this fluid flows along the trachea at 5–10 ml kg−1h−1 Intermittent retardation of flow is thought to facilitate prenatal lung development.
P J, Wickham, R, Harding
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2011
It is in only a few centers that tissue fluid and lymph hydraulics have thus far been studied under normal conditions in the soft tissues of the human limb and in lymphedema.1 - 9 Although knowledge of extravascular fluid hydraulics is indispensable for understanding the manual and pneumatic massage events in tissues and after surgical lymphatico ...
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It is in only a few centers that tissue fluid and lymph hydraulics have thus far been studied under normal conditions in the soft tissues of the human limb and in lymphedema.1 - 9 Although knowledge of extravascular fluid hydraulics is indispensable for understanding the manual and pneumatic massage events in tissues and after surgical lymphatico ...
openaire +1 more source