"using the reflections of high-frequency sound waves to construct an image of a body organ (a sonogram); commonly used to observe fetal growth or study bodily organs"@en-us . "0"^^ . . . . "ultrasound"@en-us . "0"^^ . . . . "ultrasonography"@en-us . . . "100848128"@en-us . . . "using the reflections of high-frequency sound waves to construct an image of a body organ (a sonogram); commonly used to observe fetal growth or study bodily organs"@en-us . "echography"@en-us . "100579742"@en-us . . "00901789-n"^^ . "100901789"^^ . . "sonography"^^ . . "sonography"@en-us . . .