Anesthetizing chamber and microscope apparatus

摘要

The present invention prevents the leakage of anesthetic gas, and enables in vivo observation of a specimen such as small laboratory animals over a long period of time. An anesthetizing chamber comprises a chamber main body for housing a specimen such as a laboratory animal; an anesthetic gas supply part for supplying anesthetic gas to the chamber main body; and an anesthetic gas recovery part for recovering the anesthetic gas that is supplied into the chamber main body from the anesthetic gas supply part; wherein a transparent window is provided to at least the chamber main body.