stent
noun [ C ] medical specialized uk/stent/ us/stent/
（植入身体导管内，例如用于防止血管壁粘合的）细长支架
a long thin object put inside a tube in the body, for example a blood vessel, so that its walls stay firm or so that body fluids can flow easily through it
（植入身体内用于保证管道结构畅通的）小片网状物
a small piece of mesh that keeps any tube-like body structure open so body fluids can flow freely through it