mostly UM

Description:

Trichomitopsis (trick-owe-mite-us) is a trichomonad flagellate. this genus has five flagella, four pointing forward. There is also a recurrent flagellum which adheres to the surface of the cell and when it beats causes the margin of the cell to undulate - the feature that is emphasized in this image. The axostyle leading from the front to the rear is also evident as the stiff dark internal structure. From the termite Zootermopsis, supplied by Wards Natural Science Establishment, Rochester, New York, USA. Phase contrast.