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Filament vs Heterocyst - What's the difference?

filament | heterocyst |

As nouns the difference between filament and heterocyst

is that filament is a fine thread or wire while heterocyst is a specialized nitrogen-fixing cell formed by some filamentous cyanobacteria.

filament

English

Noun

(en noun)
  • A fine thread or wire.
  • Such a wire, as can be heated until it glows, in an incandescent light bulb or a thermionic valve.
  • (physics, astronomy) A massive, thread-like structure, such as those gaseous ones which extend outward from the surface of the sun, or such as those (much larger) ones which form the boundaries between large voids in the universe.
    • solar filament
    galaxy filament
    the Ursa Major Filament
  • (botany) The stalk of a stamen in a flower, supporting the anther.
  • (textiles) A continuous object, limited in length only by its spool, and not cut to length.

    • heterocyst

    English

    Noun

    (en noun)
  • A specialized nitrogen-fixing cell formed by some filamentous cyanobacteria.
    • (Webster 1913)