| echogenic | <radiology> Producing an acoustic shadow. Something that can be seen on an ultrasound or echocardiogram. Often relates to a more prominent feature of a normal structure. (10 Nov 1998) |
|---|---|
| echogenic pancreas | <radiology> Fatty degeneration, cystic fibrosis, calcification (chronic pancreatitis) (12 Dec 1998) |
| echogram | A record obtained using high frequency acoustic reflection techniques in any one of the various display modes, especially an echocardiogram. See: ultrasonogram. Origin: echo + G. Gramma, a diagram (05 Mar 2000) |
| 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) |
| echokinesis | Echokinesia Synonym: echopraxia. Origin: echo + G. Kinesis, movement (05 Mar 2000) |
| echolalia | A disorder of speech where there is an involuntary repetition several times of the same word. (27 Sep 1997) |
| echolocation | An auditory orientation mechanism involving the emission of high frequency sounds which are reflected back to the emitter (animal). (12 Dec 1998) |
| echomatism | Synonym: echopraxia. Origin: echo + G. Matizo, to strive to do (05 Mar 2000) |
| echomimia | Synonym: echopathy. Origin: echo + G. Mimesis, imitation (05 Mar 2000) |
| echomotism | Synonym: echopraxia. Origin: echo + L. Motio, motion (05 Mar 2000) |
| echopathy | A form of psychopathology, usually associated with schizophrenia, in which the words (echolalia) or actions (echopraxia) of another are imitated and repeated. Synonym: echomimia. Origin: echo + G. Pathos, suffering (05 Mar 2000) |
| echophony | Echophonia A duplication of the voice sound occasionally heard during auscultation of the chest. Origin: echo + G. Phone, voice (05 Mar 2000) |
| echophotony | The mental association of sound tones with particular colours. Origin: echo + G. Phos (phot-), light, + tonos, tone (05 Mar 2000) |