10 sentences with “ultrasound”

Many insects, for example, emit ultrasound frequencies to communicate with each other by vibrating their wings or their elytra.

In the ultrasound band, imperceptible to the human ear, there are battles as subtle and exciting as any contemporary aerial battle.

The vibration produced by ultrasound penetrates particles of matter, cells and piezoelectric glass and modifies their constitution.

Recent technological advances make it possible to use ultrasound to more accurately control the placement of cryoprobes inside the body.

Like ultrasound, the ability to detect evoked potentials is one of the advances that in the last few years have been made in the detection of evoked potentials.

Seeing with sound? Yes, it is possible in bats. The emission of ultrasound waves allows them to represent anything or any living thing three-dimensionally and accurately.

In addition, the food industry, mechanics, botany and medicine all use ultrasound because of its peculiarities. These waves can pass through and act on solids, liquids and gases; no body is immune to them.

In the struggle for survival, locusts must guard their front legs for two reasons: to avoid becoming lame and to avoid losing their hearing system which, although it only registers ultrasound, allows them to pick up messages from insects of their own species.

In the field of medicine, too, the old X-rays are now being joined by computerised axial tomography, ultrasound scans and nuclear magnetic resonance imaging. Therefore, the creation of a technician who is proficient in these medical imaging devices will be vital for every health care facility.

Thus, the moth "illuminated" by the ultrasound beam tries to move away long before it appears as a target in the bat's brain. To counteract this liveliness of the moths, the bats have developed the hesitant trajectory, criss-crossed by capricious curves, untimely detours and incalculable removals.