Kolesteriska
Kolesteriska is a term that appears to be a misspelling or a neologism. It does not correspond to any widely recognized scientific, medical, or common term in English. It is possible that "Kolesteriska" is a portmanteau, a regional dialect word, or a term from a fictional work.
If the intended term is related to cholesterol, the correct scientific term is cholesterol. Cholesterol is
Alternatively, "Kolesteriska" might be a phonetic spelling or variation of a word in another language. Without