Which term describes inflammation of the small cavities or chambers where cerebrospinal fluid is formed?

The term that describes inflammation of the small cavities or chambers where cerebrospinal fluid is formed is "ventriculitis."

Here are the steps to arrive at this answer:

1. Understand the question: The question is asking for a medical term that describes a specific condition - inflammation of the small cavities or chambers (known as ventricles) in the brain where cerebrospinal fluid is formed.

2. Recall relevant knowledge: In medical terminology, "-itis" is a suffix used to denote inflammation. The ventricles are the system of four interconnected cavities (ventricles) in the brain where the cerebrospinal fluid is produced.

3. Combine the knowledge: Combining the term for these cavities (ventricles) with the suffix for inflammation (-itis) gives us "ventriculitis."

So, ventriculitis is the term that describes inflammation of the small cavities or chambers where cerebrospinal fluid is formed.