In Takarans, the trachea was located in the lateral sternal. (TNG: "Suspicions" ) In 2371, Neelix told Lieutenant Joseph Carey not to eat a kaylo, given that they were poisonous. Neelix explained, in detail, that one of the symptoms of eating the apple was the windpipe began to swell up. (VOY: "State of Flux") In 2372, Miles O'Brien's trachea was bruised by the Jem'Hadar Temo'Zuma on Bopak III. (DS9: "Hippocratic Oath")