"endospore- is like a blanket for the bacteria to survive harsh wheather, temperature, and dehydration. it only work with certain types of bacteria." Or maybe a very warm sleeping bag.
"An endospore is like an emergency pod for a prokaryote. If the rest of the cell dies, it remains dormant until a more hospitable home is found, and then it grows ..."
METAMIA is a free database of analogy and metaphor. Anyone can contribute or search. The subject matter can be anything. Science is popular, but poetry is encouraged. The goal is to integrate our fluid muses with the stark literalism of a relational database. Metamia is like a girdle for your muses, a cognitive girdle.