impaction

/im-pak-shuhn/US // ɪmˈpæk ʃən //

压迫,压迫症,压塞,压塞物

Definitions

n.名词 noun

1
- : an act or instance of impacting.
- : the state of being impacted; close fixation.
- : Dentistry. the condition in which a tooth is impacted.

(i) Sudden laryngeal obstruction due to impaction of food or other foreign body.
There is sudden pain at the site of impaction of the embolus, and the pulses beyond are lost.
They never give rise to the classical symptoms associated with impaction of a loose body between the articular surfaces.
In some cases there is impaction, and in others comminution of the fragments.
The site of the impaction is always in the small intestines.