Nephrosis definition, kidney disease, especially marked by noninflammatory degeneration of the tubular system. See more.
An ultrasound scan, also referred to as a sonogram, diagnostic sonography, and ultrasonography, is a device that uses high frequency sound waves to create an image of some part of the inside of the body, such as the stomach, liver, heart, tendons, muscles, joints and blood vessels.ltrasound is used to create images of the fetus or embryo in the uterus. Today, often referred to simply as an ultrasound scan, it is part of standard prenatal care.
A head ultrasound is a safe and painless test that uses sound waves to make images of the brain. During the examination, an ultrasound machine sends sound waves into the head and images are recorded on a computer. The black-and-white images show the internal structure of the brain, including the ventricles (the fluid-filled cavities in the brain) and the blood vessels.