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Ultrasound has been used by radiologists and sonographers to image the human body for at least 50 years and has become a widely used diagnostic tool. [36] The technology is relatively inexpensive and portable, especially when compared with other techniques, such as magnetic resonance imaging (MRI) and computed tomography (CT).
It is a common understanding in psychoacoustics that the ear cannot respond to sounds at such high frequency via an air-conduction pathway, so one question that this research raised was: does the hypersonic effect occur via the "ordinary" route of sound travelling through the air passage in the ear, or in some other way?
Polyorchidism is the incidence of more than two testicles. It is a very rare congenital disorder, with fewer than 200 cases reported in medical literature [1] and six cases (two horses, two dogs and two cats) in veterinary literature. [2] Polyorchidism is generally diagnosed via an ultrasound examination of the testicles. However, the diagnosis ...
Some species of hawkmoths (Sphingidae) produce ultrasound capable of sonar jamming. [25] Sonar jamming capability has evolved independently in at least six subfamilies. [26] Because sonar jamming seems to require high duty cycle ultrasound, it is believed to be a derived form of the simpler ultrasound used for aposematism and mimicry. [27]
A 20-year-old Canadian man no longer has two of his healthy fingers after deciding to get them amputated, and body integrity identity disorder is why doctors agreed to it.
Medical ultrasound includes diagnostic techniques (mainly imaging techniques) using ultrasound, as well as therapeutic applications of ultrasound. In diagnosis, it is used to create an image of internal body structures such as tendons, muscles, joints, blood vessels, and internal organs, to measure some characteristics (e.g., distances and velocities) or to generate an informative audible sound.
There has been evidence provided for ultrasound neuromodulation's potential in treating chronic pain and similar conditions. After 31 patients with chronic pain had 8 MHz unfocused transcranial ultrasound stimulation targeted to the posterior frontal cortex in a double-blind, sham-controlled study, they reported feeling in a better mood 10 to ...
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