详细解释:n. 套管
【医】 套管, 插管
英语解释：
名词 cannula:
a small flexible tube inserted into a body cavity for draining off fluid or introducing medication详细解释：
cannula 也作 can.u.la
n.（名词）【复数】 can.nu.las 或 can.nu.lae [-lô.] A flexible tube, usually containing a trocar at one end, that is inserted into a bodily cavity, duct, or vessel to drain fluid or administer a substance such as a medication.套管，插管：一根通常一端有套管的柔韧管子， * 入体腔、导管或血管以排出液体或服用一种物质，如药物等
来源：Latin [diminutive of] canna [reed] * see cane 拉丁语 [] canna的小后缀 [芦苇] *参见 cane