| echo-free | The property of appearing echo-free or without echoes on a sonographic image; a clear cyst appears anechoic. See: transonic. Synonym: echo-free. Origin: G. An-priv. + echo + ic (05 Mar 2000) |
|---|---|
| echo-planar imaging | A type of magnetic resonance imaging that uses only one nuclear spin excitation per image and therefore can obtain images in a fraction of a second rather than the minutes required in traditional mri techniques. It is used in a variety of medical and scientific applications. (12 Dec 1998) |
| echoacousia | A subjective disturbance of hearing in which a sound appears to be repeated. Origin: echo + G. Akouo, to hear (05 Mar 2000) |
| echoaortography | Application of ultrasound techniques to the diagnosis and study of the aorta. Origin: echo + aortography (05 Mar 2000) |
| echocardiogram | <investigation, radiology> A test which uses high-frequency sound waves to image the heart and surrounding tissues. (27 Sep 1997) |
| echocardiographic differentiation | The processing of a signal so that the output depends upon the rate of change of the input; e.g., it will display changes in amplitude but will reduce the duration of the waveform. (05 Mar 2000) |
| echocardiography | Echocardiography is a diagnostic test which uses ultrasound waves to make images of the heart chambers, valves and surrounding structures. It can measure cardiac output and is a sensitive test for inflammation around the heart (pericarditis). It can also be used to detect abnormal anatomy or infections of the heart valves. (12 Dec 1998) |
| echocardiography, doppler | Measurement of intracardiac blood flow using an m-mode and/or two-dimensional (2-d) echocardiogram while simultaneously recording the spectrum of the audible doppler signal (e.g., velocity, direction, amplitude, intensity, timing) reflected from the moving column of red blood cells. (12 Dec 1998) |
| echocardiography, doppler, colour | Echocardiography applying the doppler effect, with the superposition of flow information as colours on a gray scale in a real-time image. (12 Dec 1998) |
| echocardiography, doppler, pulsed | Echocardiography applying the doppler effect, with velocity detection combined with range discrimination. Short bursts of ultrasound are transmitted at regular intervals and the echoes are demodulated as they return. (12 Dec 1998) |
| echocardiography, four-dimensional | Dynamic three-dimensional echocardiography using the added dimension of time to impart the cinematic perception of motion. (mayo clin proc 1993;68:221-40) (12 Dec 1998) |
| echocardiography, three-dimensional | Echocardiography amplified by the addition of depth to the conventional two-dimensional echocardiography visualizing only the length and width of the heart. Three-dimensional ultrasound imaging was first described in 1961 but its application to echocardiography did not take place until 1974. (mayo clin proc 1993;68:221-40) (12 Dec 1998) |
| echocardiography, transesophageal | Ultrasonic recording of the size, motion, and composition of the heart and surrounding tissues using a transducer placed in the oesophagus. (12 Dec 1998) |
| echoencephalography | Use of reflected ultrasound in the diagnosis of intracranial pathologic processes. (12 Dec 1998) |
| echoes | <radiobiology> Wave packets (pulses) which have been reflected or otherwise returned to the detector, which are sufficiently delayed and retain sufficient magnitude so that they are perceived as a signal distinct from the one transmitted directly. (In other words, just like sound echoes, only for analogous phenomena with other waves.) (09 Oct 1997) |
Synonyms :
Synonyms : Echo-Planar MR Tomography, Echo-Planar Magnetic Resonance Imaging, Echoplanar Imaging, Echoplanar MR Tomography, Echoplanar Magnetic Resonance Imaging, MR Tomography, Echoplanar, Magnetic Resonance Imaging, Echoplanar, Echo Planar Imaging, Echo-Planar Imagings
Synonyms : 2-D Echocardiography, 2D Echocardiography, Contrast Echocardiography, Cross-Sectional Echocardiography, Echocardiography, 2-D, Echocardiography, 2D, M-Mode Echocardiography, Two-Dimensional Echocardiography, 2 D Echocardiography, Echocardiography, 2 D
Synonyms : 2-D Doppler Echocardiography, 2D Doppler Echocardiography, Continuous Doppler Echocardiography, Doppler Echocardiography, 2-D, Doppler Echocardiography, 2D, Doppler Echocardiography, Continuous, Doppler Echocardiography, Two-Dimensional
Synonyms : Color Doppler Echocardiography, Color Echocardiography, Doppler, Doppler Color Echocardiography, Echocardiography, Doppler Color, Color Flow Echocardiographies, Echocardiographies, Color Flow, Flow Echocardiographies, Color, Flow Echocardiography, Color
| Echinococcus |
tapeworms whose larvae are parasitic in humans and domestic animals
출처: wordnet.princeton.edu/perl/webwn
|
|---|---|
| Echinoidea |
sea urchins and sand dollars
출처: wordnet.princeton.edu/perl/webwn
|
| echo |
the persistence of a sound after its source has stopped repeat: to say again or imitate; "followers echoing the cries of their leaders" (Greek mythology) a nymph who was spurned by Narcissus and pined away until only her voice remained resound: ring or echo with sound; "the hall resounded with laughter" a reply that repeats what has just been said call to mind; "His words echoed John F. Kennedy"
출처: wordnet.princeton.edu/perl/webwn
|
| echo diplacusis |
a form in which a sound of brief duration is heard in the one ear a fraction of a second later than in the other ear.
출처: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
|
| echovirus |
An echovirus is a type of RNA virus that belongs to the genus Enterovirus of the Picornaviridae family. The first isolation of echoviruses occurred from the feces of asymptomatic children early in the 1950s, just after cell culturing had been developed. The first part of the name echovirus is an acronym for "enteric cytopathic human orphan" virus. The term "orphan virus" means a virus that is not associated with any known disease. ...
출처: en.wikipedia.org/wiki/Echovirus
|
| ECH | diagnostic procedure that uses ultrasound to study to structure and motions of the heart |
|---|---|
| ECH | (of words) formed in imitation of a natural sound |
| ECH | like or characteristic of an echo |
| ECH | (of sounds) repeating by reflection |
| ECH | (psychiatry) mechanical and meaningless repetition of the words of another person (as in schizophrenia) |
| ECH | having or producing no echo |
| ECH | like or characteristic of an echo |
| ECH | determining the location of something by measuring the time it takes for an echo to return from it |
| ECH | any of a group of viruses associated with various diseases including viral meningitis and mild respiratory disorders and diarrhea in newborn infants |
| ECH | not fake or counterfeit |