Foot pole

1. In heteropolar valves, the narrower valve end.
2. In a heteropolar diatom, the pole by which the cells attach to each other or to substrata.
   

References

• Dodd, J.J. 1987. The illustrated flora of Illinois: Diatoms. Southern Illinois University Press, Carbondale, Illinois, USA. 477 pp.

• Wehr, J.D. & Sheath, R.G. (Eds.) 2003. Freshwater Algae of North America: Ecology and Classification, Academic Press, San Diego, CA. 950 pp.

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