Crossword clue: any physiologically active internal secretion especially one of uncertain classification

The most common answer is autacoid (8 letters).

2 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

Possible answers

autacoid 8 letters wn-def

any physiologically active internal secretion especially one of uncertain classification

autocoid 8 letters wn-def

any physiologically active internal secretion especially one of uncertain classification