Specimen case
A specimen case was a container in which specimens of animal life were held.

In 2266, the "evil" version of an individual member of a canine species beamed up from Alfa 177 was contained in a specimen case. Montgomery Scott directed Captain James T. Kirk to the case to show him what had happened to the dog in order to explain why he couldn't beam Hikaru Sulu and the landing party up without identifying the cause of the malfunction, as the same splitting might happen to them, too. ()
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