cannula
noun
can·nu·la ˈkan-yə-lə 
plural cannulas or cannulae ˈkan-yə-ˌlē
-ˌlī
: a small tube for insertion into a body cavity or into a duct or vessel
Example Sentences
Recent Examples on the Web Using the needle on its own is the classic approach, Dr. Hu explains, and the cannula acts like a dull straw, allowing the needle to pass through the tube, therefore only requiring one poke. 
Sarah Jacoby, SELF, 18 May 2022 His insulin pump contains a disposable insulin cartridge, and a plastic tubing system with an adhesive patch keeps in place the cannula that delivers insulin under his skin. Michelle Andrews, Fortune, 16 May 2022 Practitioners who opt to inject using a cannula have good reason to go this route: to avoid intravascular placement. Kaitlin Clark, Allure, 17 Feb. 2022 Tubes run from the cannula inserted in his heavily tattooed hand. New York Times, 2 Feb. 2022 Hisaw said crews confirmed a nasal cannula near an oxygen tank caught fire. David Hernandez, San Diego Union-Tribune, 16 Jan. 2022 In Springfield, Missouri, where coronavirus cases spiked this summer, Russell Taylor sat in a hospital gown, an oxygen cannula draped across his face, to offer a provaccine testimonial in a hospital video. BostonGlobe.com, 1 Aug. 2021 High flow nasal cannula delivers steady continuous oxygen to such patients, but government hospitals in border districts have been forced to rely on portable oxygen cylinders instead. Julhas Alam, Star Tribune, 30 June 2021 Lopez was bleeding at the cannula sites, as well, and would need a transfusion. Thomas Curwen, Los Angeles Times, 12 Mar. 2021 See More
Sarah Jacoby, SELF, 18 May 2022 His insulin pump contains a disposable insulin cartridge, and a plastic tubing system with an adhesive patch keeps in place the cannula that delivers insulin under his skin. Michelle Andrews, Fortune, 16 May 2022 Practitioners who opt to inject using a cannula have good reason to go this route: to avoid intravascular placement. Kaitlin Clark, Allure, 17 Feb. 2022 Tubes run from the cannula inserted in his heavily tattooed hand. New York Times, 2 Feb. 2022 Hisaw said crews confirmed a nasal cannula near an oxygen tank caught fire. David Hernandez, San Diego Union-Tribune, 16 Jan. 2022 In Springfield, Missouri, where coronavirus cases spiked this summer, Russell Taylor sat in a hospital gown, an oxygen cannula draped across his face, to offer a provaccine testimonial in a hospital video. BostonGlobe.com, 1 Aug. 2021 High flow nasal cannula delivers steady continuous oxygen to such patients, but government hospitals in border districts have been forced to rely on portable oxygen cylinders instead. Julhas Alam, Star Tribune, 30 June 2021 Lopez was bleeding at the cannula sites, as well, and would need a transfusion. Thomas Curwen, Los Angeles Times, 12 Mar. 2021 See More Word History
Etymology
New Latin, from Latin, diminutive of canna reed — more at cane
First Known Use
1616, in the meaning defined above
Medical Definition
cannula
noun
can·nu·la
variants also canula
ˈkan-yə-lə
plural cannulas or cannulae -ˌlē, -ˌlī
: a small tube for insertion into a body cavity, duct, or vessel