Physiology

The WPI cannula system for neuroscience study and pre-clinical research includes an entire range of cannula options. You are guaranteed: Exceptional Quality Best Prices Rapid Order Response The three primary components include the Guide Cannula, the Internal Cannula and the Dummy Cannula (cap). WPI cannulas are beveled inside and out and then polished to remove any burrs and ensure that the inside diameter is perfectly cylindrical. This limits undesired trauma to tissue and ensures smooth operation. WPI offers exceptional quality at the best prices. Quantities of each item are kept in stock so you can order as needed. You can see the difference for yourself, when you compare the WPI cannula with the top competitor under a microscope. Guide Cannulas The Guide Cannula is a surgical grade, stainlesssteel tube that is implanted into a rodent's skull and cemented into place using dental cement and screws. It guides the Internal Cannula to the specific injection site. Internal Cannula The Internal Cannula is inserted into the Guide Cannula to sample or inject fluid. Dummy Cannula The Dummy Cannula has a stainless steel wire core,

The World Precision Instruments (WPI) EVOM2is used for making trans epithelial electrical resistance (or TEER) measurements. We recommend that you test your EVOM2 before you use it for the first time and then periodically after that. If there is a concern that the meter or the electrode is not functioning properly, test the meter first. This video shows how to test the meter. More Info