cell surface markers
"Cell surface markers are special proteins and carbohydrates attached to the cell membrane. While some proteins have the task of allowing the transport of molecules across the membrane, cell surface markers play a role in inter-cellular communication and recognition. In short, cell surface markers are like a fingerprint, specific to each kind of cell, and capable of being identified according to what kinds of markers are present on the membrane. "
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.