If you meant to type "culon" but realized it's a misspelling, don't worry! The correct term you may have intended to write is "colon". The colon is an essential punctuation mark used to introduce a list, clarify a statement or emphasize a point.
colon The colon is an important part of the digestive system, responsible for extracting water and salt from solid wastes before they are eliminated from the body.
Colon The colon is responsible for extracting water, salt, vitamins, and nutrients from the food we eat.