Extrusomes are membrane-bound organelles found in eukaryotic cells that are capable of discharging material contained within to the exterior of the cell. Due to the diversity in structure and function
Paramecium tetraurelia, a ciliate, with discharged trichocysts (artificially colored in blue).
The dinoflagellates, also called dinophytes, are a monophyletic group of single-celled eukaryotes constituting the phylum Dinoflagellata and are usually considered protists. Dinoflagellates are mostly
1. Ornithocercus; 2. diagram; 3. Exuviaella; 4. Prorocentrum; 5, 6. Ceratium; 7. Warnowia; 8. Citharistes; 9. Polykrikos
Dinophytic microalga isolated from sediments of Amur Bay
Algal bloom (akasio) by Noctiluca spp. in Nagasaki