The crystalline and dense inclusions in mitochondria of the shellfish gill epithelial cells.
D000818:Animals; D004847:Epithelial Cells; D005880:Gills / Q000166:cytology*; D002479:Inclusion Bodies; D008854:Microscopy, Electron; D008928:Mitochondria; D008974:Mollusca / Q000166:cytology*