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