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viscerovisceral reaction

(vĭs″ĕr-ō-vĭs′ĕr-ăl) A reaction taking place in the viscera as a result of stimulation of visceral receptors. Such reactions are usually below the level of consciousness.

viscid

(vis′ĭd) [L. viscidus, clammy, sticky] Adhering, glutinous, sticky.

viscoelasticity

(vĭs″kō-ē″lăs-tĭs′ĭ-tē) The property of being viscous and elastic.

viscosimeter

(vis″kŏ-sim′ĕt-ĕr) [L. viscosus, viscous + -meter] A device for measuring the viscosity of a fluid, esp. of blood.

viscosimetry

(vĭs″kō-sĭm′ĕ-trē) Measurement of the viscosity of a substance.

viscosity

(vis″kos′ĭt-ē) [L. viscosus] 1. The state of being sticky or gummy. 2. The resistance of a fluid to movement when forces are applied to it.

specific v. The internal friction of a fluid, measured by comparing the rate of flow of the liquid through a tube with that of some standard liquid, or by measuring its resistance to gravity or other applied forces.

viscosupplementation

(vis″kō-sup″lĕ-mĕn-tā′shŏn) The injection of hyaluronate solution into osteoarthritic joints to alleviate pain and improve joint function.

viscous

(vĭs′kŭs) Sticky, gummy, gelatinous, with high viscosity.

viscus

(vĭs′kŭs) pl. viscera [L., body organ] Any internal organ enclosed within a cavity such as the thorax or abdomen.

visibility

(vĭz″ĭ-bĭl′ĭ-tē) [L. visibilitas] The quality of being visible.

visible

(vĭz′ĭ-bl) [L. visibilis] Capable of being seen.

visile

(vĭz′ĭl) [L. visum, seeing] 1. Pert. to vision. 2. Readily recalling what is seen, more than that which is audible or motile.

vision

(vizh′ŏn) [L. visio, a seeing] 1. The act of seeing external objects. SYN: sight; visual function. SEE: reading machine for the blind. 2. The sense by which light, color, form, and contrast are apprehended. 3. An imaginary sight.

achromatic v. Complete color blindness.

artificial v. An experimental technique to make it possible for some blind people to see as a result of electrical stimulation of the retina or the connection of digital video cameras to the visual cortex of the brain.

binocular v. The visual sensation produced when the images perceived by each eye are fused to appear as one.

central v. Vision resulting from light falling on the fovea centralis.

day v. A condition in which one sees better during the day than at night, found in peripheral lesions of the retina such as retinitis pigmentosa. SYN: photopic v.

dichromatic v. A form of defective color vision in which only ...

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