HyperDic: a-scan_ultrasonography

English > 1 sense of the expression A-scan ultrasonography:
NOUNactA-scan ultrasonographythe use of ultrasonography to measure the length of the eyeball
English > A-scan ultrasonography: 1 sense > noun 1, act
MeaningThe use of ultrasonography to measure the length of the eyeball.
Broadersonography, ultrasonography, echography, ultrasoundUsing the reflections of high-frequency sound waves to construct an image of a body organ (a sonogram)

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