In the term parathyroid, the prefix means

Para- (prefix): A prefix with many meanings, including: alongside of, beside, near, resembling, beyond, apart from, and abnormal. For example, the parathyroid glands are called "para-thyroid" because they are adjacent to the thyroid. For another example, paraumbilical means alongside the umbilicus (the belly button).

Explanation:

hope it helps:))

yes, it is pretty much the same thing, which is cool. : )