"A metabolic pathway is like a water channel, except that the flow is of organic carbon. In a metabolic pathway, a linear sequence of reactions is catalysed by a series of enzymes..."
"impaired enzyme in a metabolic pathway is like a twist in a garden hose that cuts off the flow of water: pressure builds behind the block, but no water comes out ..."
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.