| 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 in-vivo examination apparatus (1) comprises: a stage (2) for mounting a specimen (A) such as a laboratory animal; an anesthetizing chamber (3) which is disposed on the stage (2) for housing the specimen (A); and an anesthetic gas supply device (4) for supplying anesthetic gas (G) into the anesthetizing chamber (3); wherein a transparent window (3c) is provided on at least a part of the anesthetizing chamber (3). |
