Eustachian catheter
plural of raffinosaccharide
(vulgar, idiomatic) An expression of great indifference or nonchalance. / (vulgar, idiomatic) An expression of frustration. / (vulgar, idiomatic) An expression of anger or dismissal; forget it.
(obsolete) Alternative form of dicker, 10 items of some commodity taken as a unit.
(medicine, surgery) A tubular instrument that can be introduced into the Eustachian tube in order to allow inflation of the middle ear through the nose or mouth.
手術中、耳鼻咽喉科医は鼻腔を通して中耳を膨らませ換気するために耳管に挿入できる管状の器具（耳管用カテーテル）を慎重に挿入した。
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