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[Contact transducer for continuous measurement of blood vessel diameter]. 1981

A N Rogoza

A device for continuous measurement of the external diameter of blood vessels in situ is described. It is based on a cantilever type design. The capacitance principle is used for measuring the displacement of the sensing plate. The sensing plate has the natural frequency of 25 Hz, stiffness about 2. 10(-4) N/mm and exercises the nominal load of the order of 2. 10(-4) N on the arterial wall. The small load eliminates the measurement errors and promotes a successful study of blood vessels over 0.4 mm in diameter within a wide range of transmural pressure.

UI MeSH Term Description Entries
D010827 Physiology The biological science concerned with the life-supporting properties, functions, and processes of living organisms or their parts.
D001808 Blood Vessels Any of the tubular vessels conveying the blood (arteries, arterioles, capillaries, venules, and veins). Blood Vessel,Vessel, Blood,Vessels, Blood
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D001158 Arteries The vessels carrying blood away from the heart. Artery
D001696 Biomechanical Phenomena The properties, processes, and behavior of biological systems under the action of mechanical forces. Biomechanics,Kinematics,Biomechanic Phenomena,Mechanobiological Phenomena,Biomechanic,Biomechanic Phenomenas,Phenomena, Biomechanic,Phenomena, Biomechanical,Phenomena, Mechanobiological,Phenomenas, Biomechanic
D014159 Transducers Any device or element which converts an input signal into an output signal of a different form. Examples include the microphone, phonographic pickup, loudspeaker, barometer, photoelectric cell, automobile horn, doorbell, and underwater sound transducer. (McGraw Hill Dictionary of Scientific and Technical Terms, 4th ed) Transducer
D051381 Rats The common name for the genus Rattus. Rattus,Rats, Laboratory,Rats, Norway,Rattus norvegicus,Laboratory Rat,Laboratory Rats,Norway Rat,Norway Rats,Rat,Rat, Laboratory,Rat, Norway,norvegicus, Rattus

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