A stoma (plural stomata, from Greek στόμα "mouth") is an opening, either natural or surgically created, which connects a portion of the body cavity to the outside environment. Surgical procedures in which stomata are created are ended in the suffix -ostomy and begin with a prefix denoting the organ or area being operated on.
In anatomy, a natural stoma is any opening in the body, such as the mouth. Any hollow organ can be manipulated into an artificial stoma as necessary.
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