Tracheal autografts in group A and C had notable rejection reaction, but group B did not.

组移植气管均发生一定程度的排斥反应，B组无排斥反应发生。

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He fell prostrate in the mud with a perforating wound of the neck, with the wound exit over the tracheal area and a fracture of the trachea.

他栽倒在泥泞中，脖子上伤口形成贯穿伤，因为贯穿出口位于气管区上方，加之气管断裂。

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The boy has a rare and potentially fatal condition called Long Segment Congenital Tracheal Stenosis, in which patients are born with an extremely narrow airway.

这个男孩患有一种罕见的称为“先天性长段气管狭窄”的有潜在致命性的疾病，这让他从出生就有较常人非常狭窄的气道。

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Chavez is temporarily having difficulty speaking after doctors inserted a tracheal tube, Venezuelan Information Minister Ernesto Villegas said.

CNN: STORY HIGHLIGHTS

Information Minister Ernesto Villegas said that as the Venezuelan leader was breathing through a tracheal tube, it was difficult for him to speak.

BBC: Venezuela's Hugo Chavez in first post-surgery images

Along with images of the puffy-faced Chavez came a government explanation for why no one has heard from the longtime president since his surgery: He's breathing through a tracheal tube that makes speech difficult.

NPR: Photos Of Hugo Chavez Shown After 2-Month Absence