heterocystous
/ˌhɛtərəˈsɪstəs/
adjective
- Relating to or having heterocysts (specialized cells in certain algae that fix nitrogen).
- Many heterocystous species form symbiotic relationships with plants.
- The heterocystous cyanobacteria are important for nitrogen fixation in rice paddies.
- Under a microscope, the heterocystous filaments showed clear, thick-walled cells.