The gel helps prevent the formation of air pockets between the transducer and the skin that interfere with the ultrasonic signal
The gel is washed off with soap and water. No other after care is needed.
No special preparation is needed. The patient should remove contact lenses, and may wish to avoid the use of eye makeup, since the gel is likely to smear it.
Because ultrasonography uses high frequency sound waves, and not x rays or other forms of radiation , there are very few risks associated with its use
There is no special preparation needed for this test. The ultrasound technician may apply a clear gel to the skin in order to help the transducer more freely over the body.
Ultrasonography uses ultrasound waves to look at soft tissues, organs, veins and muscles (as well as babies). X-rays and CT scans use radiation to produce images.
He does use hair gel but Aizen stole it
Black people can gel their hair. They probably do not use the same type of gel that others use. Many use gel to lay their edges down and reduce fly always.
Sonogram
Ultrasonography is also called sonography, diagnostic sonography, and echocardiography when it is used to image the heart
Carotid Ultrasonography
Yes, in sonography you use ultrasound waves to obtain a picture called a sonogram.
Enybody can use that gel :)