portrait
Description:
Hexamita (hex-a-mite-a), a free living diplomonad flagellate. Diplomonads are so-called because most members of the group have two nuclei, and have clusters of up to 4 flagella emerging from opposing sides of the cell. They arise in grooves, which are believed to correspond to the ventral grooves of the excavate flagellates. Normally associated with anoxic habitats. Diplomonads are probably best known because one their members, Giardia, is significant as a parasite of the intestinal system, and because it is prominent in studies on the evolution of eukaryotic cells - "clinging resolutely" to the base of the eukaryotic tree as our best candidate for the most primitive eukaryote. All flagella can be seen with an eye of faith. Phase contrast.
Included On The Following Pages:
- Life (creatures)
- Cellular (cellular organisms)
- Eukaryota (eukaryotes)
- Excavates (excavates)
- Metamonada (metamonad)
- Fornicata
- Diplomonadida
- Hexamitidae
- Hexamitinae
- Hexamita
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- David Patterson, Linda Amaral Zettler and Virginia Edgcomb
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