What's the plural form of calreticulin? Here's the word you're looking for.
Answer
The noun calreticulin can be countable or uncountable.
In more general, commonly used, contexts, the plural form will also be calreticulin.
However, in more specific contexts, the plural form can also be calreticulins e.g. in reference to various types of calreticulins
or a collection of calreticulins.