| echographer | A person who performs and interprets ultrasonographic examinations. Synonym: echographer, sonographer. (05 Mar 2000) |
|---|---|
| echographia | A form of agraphia in which one cannot write spontaneously, but can write from dictation or copy. Origin: echo + G. Grapho, to write (05 Mar 2000) |
| echography | <investigation> Ultrasonography, the use of ultrasound as a diagnostic aid. Ultrasound waves are directed at the tissues and a record is made, as on an oscilloscope, of the waves reflected back through the tissues, which indicate interfaces of different acoustic densities and thus differentiate between solid and cystic structures. (18 Nov 1997) |