50.9 MB (1.3 MB compressed)
5100 x 3491 pixels
43.2 x 29.5 cm ⏐ 17.0 x 11.6 in (300dpi)
WIM VAN EGMOND / SCIENCE PHOTO LIBRARY WIM VAN EGMOND / SCIENCE PHOTO LIBRARY
Vorticella is a freshwater Peritrich Ciliate Protozoan. Rows of cilia and an undulating membrane create a current of water which directs food particles towards the buccal cavity (mouth opening). These single cellular protists posses a stalk with an organelle (myoneme) that enables it to contract or extend. LM X250.
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