Zymogen granules in invertebrates.
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D000818:Animals; D004792:Enzyme Precursors; D004798:Enzymes; D005285:Fermentation; D008925:Mites; D022142:Secretory Vesicles
D004792:Enzyme Precursors; D004798:Enzymes
ENZYMES; FERMENTATION; MITES; ZYMOGEN