title: Ultrastructural studies of the secretion of calcium carbonate by the serpulid polychaete worm, Pomatoceros caeruleus.
mesh_terms: D000818:Animals; D000845:Annelida / Q000033:anatomy & histology*; D002119:Calcium Carbonate / Q000378:metabolism*; D002462:Cell Membrane; D002466:Cell Nucleolus; D002467:Cell Nucleus; D002843:Chromatin; D003460:Crystallization; D003593:Cytoplasm; D003594:Cytoplasmic Granules; D004721:Endoplasmic Reticulum; D005088:Exocrine Glands / Q000166:cytology* / Q000378:metabolism; D006003:Glycogen; D006056:Golgi Apparatus; D002479:Inclusion Bodies; D008854:Microscopy, Electron; D009940:Organoids; D012270:Ribosomes
chemical_list: D002843:Chromatin; D006003:Glycogen; D002119:Calcium Carbonate