* Prefix: poly- (meaning "many" or "multiple")
* Suffix: -nuclear (meaning "relating to a nucleus")
* Root: morph- (meaning "form" or "shape")
* Combining Form: -o- (used to connect the root "morph" to the suffix "-nuclear")
* Vowel: o (within the combining form)
In Summary:
"Polymorphonuclear" literally means "having many forms of nucleus." This term is often used to describe a type of white blood cell (neutrophil) that has a multi-lobed nucleus, giving it a distinctive appearance.