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A classical sign of Tetanus, risus sardonicus is a form of facial dystonia producing a fixed smiling or grinning expression. Risus sardonicus or rictus grin is a highly characteristic, abnormal, sustained spasm of the facial muscles that appears to produce grinning.
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Grin, grins, or GRIN may refer to: A facial expression, see smile; Grin (Coroner album), 1993; Grin (band), a band formed by Nils Lofgren Grin (Grin album), 1971 "Grins" (song), a 2013 song by Charli XCX off the album True Romance (Charli XCX album) Grin (surname) Grins, Austria; Germplasm Resources Information Network, a software project
Various food grains at a market in India. A grain is a small, hard, dry fruit – with or without an attached hull layer – harvested for human or animal consumption. [1] A grain crop is a grain-producing plant.
Sardonicism is a defining characteristic of public speaker Fran Lebowitz's works and appearances.. To be sardonic is to be disdainfully or cynically humorous, or scornfully mocking.
A typical gurn. A gurn or chuck is a distorted facial expression and a verb to describe the action. A typical gurn involves projecting the lower jaw as far forward and up as possible and covering the upper lip with the lower lip.
GRIN disorders (also GRIN-related disorders) are a group of neurodevelopmental disorders that result from mutations in genes coding for subunits of an N-methyl-D-aspartate (NMDA) receptor, which leads to dysfunction of glutamate signaling.
A gradient-index lens with a parabolic variation of refractive index (n) with radial distance (x).The lens focuses light in the same way as a conventional lens. Gradient-index (GRIN) optics is the branch of optics covering optical effects produced by a gradient of the refractive index of a material.