Footnote 27
Phage is a term taken from the study of viruses and applied here as an analogy, along with the term capsid used earlier in the text. Phages are viruses which devour the cellular structure, creating copies of themselves in the process.

Phage is a term taken from the study of viruses and applied here as an analogy, along with the term capsid used earlier in the text. Phages are viruses which devour the cellular structure, creating copies of themselves in the process.