1. A three-dimensional vision produced by the fusion of two slightly different views of a scene on each retina of the eyes.
2. The viewing or appearance of objects in or as if in three dimensions.
An x-ray machine used by physicians to view the internal organs of the body by fluoroscoping the chest and for the visual observation of the forms and motions of the deep structures of the body.
An instrument whereby several people can listen to the sounds transmitted through a stethoscope.
1. An instrument used to transmit low-volume sounds such as the heartbeat (or intestinal, venous, or fetal sounds) to the ears of the listener.
2.An instrument used to hear and to amplify the sounds produced by the heart, lungs, and other internal organs.
It has two earpieces and flexible tubing leading to them from the two-branched opening of the bell or cone; so, the sound travels simultaneously through both branches to the earpieces.
The stethoscope is one of the symbols of the medical profession.
The origins of the stethoscope have been traced back to the French physician, Laënnec, who invented a crude model in 1819, which consisted of a wooden box that served to help physicians hear the sounds within the chest cavity.
1. A reference to a Y-shaped instrument that amplifies body sounds; such as, heartbeat, breathing, and air in the intestines mostly applied to the chest.
2. A descriptive term for an instrument consisting of two earpieces connected by means of flexible tubing to a diaphragm, which is placed against the skin of the patient's chest, or back, to hear the heart and lung sounds; and it is also used to hear bowel sounds.
An instrument for keeping the mouth open so the interior or inside area of the mouth can be examined for medical diagnosis.
An examination of the mouth for any potential medical disorders.
A telescope that operates by remote control and is lifted by balloon to high altitudes so as to reduce the effect of atmospheric turbulence on the observations.
1. A scientific instrument that provides a flashing light synchronized with a periodic movement of an object which can make the moving object appear stationary or unmoving.
It is often used in conjunction with flash or stop-action photography.
2. Any device used to study, measure, balance, or otherwise alter the motion of a moving, rotating, or vibrating body by making it appear to slow down or to stop with the use of pulsed bursts of light or by viewing it through intermittent openings in a revolving disk.
1. Too small to be seen by even the most powerful optical microscope.
2. Particles which, although visible in an ultramicroscope, are too small to be resolved by visible light.
syngenescophobia, sygenesophobia (s) (noun) (no plural)
An abnormal disgust of relatives: Dependency and intrusiveness found among family relations can cause an anxiety known as syngenescohobia, when parents, children, aunts, uncles, etc. have strong aversions towards the other kinsmen.
A stereoscopic device for evaluation and training of binocular functions.
Putting two or more things together which form a whole; for example, in a surgical operation when divided parts are united or put together.
Also in chemistry, seeing the result of uniting elements into a compounds.
tachistoscope, tachistoscopic, tachistoscopically
1. A scientific instrument used by psychologists which presents visual stimuli for a fraction-of-second exposures.
2. An apparatus that projects a series of images onto a screen at rapid speed to test visual perception, memory, and learning.
3. An instrument by means of which objects may be presented to the eyes for a brief measured period, a fraction of a second.
One of its principal applications being the measurement of the span of apprehension; that is, the amount of detail that can be apprehended by a single act of attention or perception.
telefluoroscopy (s) (noun)
, telefluoroscopies (pl)
A distant medical technique, or television transmission, consisting of electronic transmissions of fluoroscopic images for study at a distant location.
Cross references of word families that are related directly, or indirectly, to: "appear, visible, visual, manifest, show, see, reveal, look":