While a fresh brain is very soft, the brains that are treated for a long-term storage and observation is firm.
Long-term storage does precisely what it says on the tin: it provides you with a location to store items you need safely hidden for a protracted period of time, typically anything longer than three months. There are several things to keep in mind when placing items in long-term storage: Be careful not to pack anything in plastic shopping bags.
The currently accepted technique for organ preservation is static cold storage (SCS). The length of time that can be preserved with SCS, though, is constrained because prolonged cold storage raises the risk of early graft dysfunction, which feeds into chronic complications.
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