can·nu·la
noun/ˈkænjələ/
/ˈkænjələ/
(plural cannulae
(medical)/ˈkænjəliː/
/ˈkænjəliː/
, cannulas)- a thin tube that is put into a vein or other part of the body, for example to give somebody medicine
（输药等的）插管，套管 - A cannula was then inserted into the vein.
然后将插管插入静脉。
Word Originlate 17th cent.: from Latin ‘small reed’, diminutive of canna from Greek kanna, kannē, of Semitic origin. - A cannula was then inserted into the vein.