There is no recognized term in biology or medicine called "lyocytes." It's possible you may have encountered a misspelling or a term from a specific field that is not commonly used.

Could you please provide more context or information about where you encountered this term? Perhaps you can:

* Share the source: Where did you see this term (e.g., a book, website, lecture)?

* Explain the context: What was the term used in relation to?

* Provide any other relevant information: Any additional details you remember could help clarify the meaning.

With more information, I can help you understand the correct term and its meaning.