Exit 21. Orientation: The New York State Thruway (Interstate 87) runs from left to top right. NY 23 runs from left to right at bottom, and Greene CR 23B runs from top to bottom. Exit numbers: Exit 21 on the New York State Thruway is for NY 23 to Catskill and Hudson. The interchange: The trumpet interchange at Exit 21 connects not to NY 23 directly, but instead to CR 23B.
Gastrointestinal: Adjective referring collectively to the stomach and small and large intestines. The commonly used abbreviation for gastrointestinal is GI. (Outside of medicine, GI can also stand for galvanized iron, general issue or government issue-as in GI Joe).
1 Gastrointestinal (GI) bleeding is when bleeding occurs in any part of the gastrointestinal tract. 2  The GI tract includes your esophagus, stomach, small intestine, large intestine (colon), rectum, and anus. 3  GI bleeding itself is not a disease, but a symptom of any number of conditions. Gastrointestinal (GI) bleeding is when bleeding occurs in any part of the gastrointestinal tract. 2  The GI tract includes your esophagus, stomach, small intestine, large intestine (colon), rectum, and anus. 3  GI bleeding itself is not a disease, but a symptom of any number of conditions.