Choroid Choroid The choroid, also known as the choroidea or choroid coat, is the vascular layer of the eye, containing connective tissues, and lying between the retina and the sclera. The human choroid is thickest at the far extreme rear of the eye (at 0.2 mm), while in the outlying areas it narrows to 0.1 mm. The choroid provides oxygen and nourishment to the outer layers of the retina. Along with the ciliary body and iris, the choroid forms the uveal tract. The structure of the choroid is generally divided into four layers (classified in order of furthest away from the
Four-letter word letters. Typical examples include the word "work", implying that work can be unpleasant, or the game of "golf", jokingly referred to as a four-letter word when a player's pastime becomes an exercise in frustration. "Charlotte Observer" journalist Doug Robarchek noted in 1993 how many politicians have names with four letters, "Ever notice how many U.S. politicians have names that are also four-letter words? Ford, Dole, Duke, Bush, Gore ... and how many make us think of four-letter words?" Four-letter word The phrase four-letter word refers to a set of English-language words written with four letters which are considered profane, including