Tomography,Ultrasonic

《英文msh詞典》Tomography,Ultrasonic
[同義詞] Tomography,Ultrasonic
[主題詞] Ultrasonography
[中文釋義] 斷層攝影術,超聲
[英文釋義] The visualization of deep structures of the body by recording the reflections of echoes of pulses of ultrasonic waves directed into the tissues. Use of ultrasound for imaging or diagnostic purposes employs frequencies ranging from 1.6 to 10 megahertz.