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The shape and color of the tongue is examined and observed diagnostically in traditional Chinese medicine. For example, scalloping of the tongue is said to indicate qi vacuity. [ 13 ] Some modern medical sources still describe the tongue as "the mirror of physical health". [ 14 ]
The handkerchief code (also known as the hanky/hankie code, the bandana/bandanna code, and flagging) [1] is a system of color-coded cloth handkerchief or bandanas for non-verbally communicating one's interests in sexual activities and fetishes. The color of the handkerchief identifies a particular activity, and the pocket it is worn in (left or ...
Color psychology is the study of colors and hues as a determinant of human behavior. ... "colours are the mother tongue of the subconscious". [4] ... or code, the ...
Black hairy tongue syndrome (BHT [4]) is a condition of the tongue in which the small bumps on the tongue elongate with black or brown discoloration, giving a black and hairy appearance. The appearance may be alarming, but it is a harmless condition.
The gamut of all visible chromaticities on the CIE plot is the tongue-shaped or horseshoe-shaped figure shown in color. The curved edge of the gamut is called the spectral locus and corresponds to monochromatic light (each point representing a pure hue of a single wavelength), with wavelengths listed in nanometers.
USB ports and connectors are often color-coded to distinguish their different functions and USB versions. These colors are not part of the USB specification and can vary between manufacturers; for example, the USB 3.0 specification mandates appropriate color-coding while it only recommends blue inserts for Standard-A USB 3.0 connectors and plugs.
Black hairy tongue is a harmless condition which causes blackening pigmentation on the dorsum of the tongue. It is a very common oral condition and affects 13% of the world population. It is often due to poor oral hygiene which leads to accumulation of oral bacteria and build up of keratin on the tongue surface.
Like many other color additives, the primary use of Blue No. 1 is to correct or enhance natural coloring or to give colorless compounds a vivid hue. [ 13 ] In the United States, of the two approved blue dyes (the other being Indigo carmine , or FD&C Blue #2), brilliant blue FCF is the more common of the two.