PollenDefinition (http://en.wikipedia.org/wiki/Pollen) Pollen is a fine to coarse powder containing the microgametophytes of seed plants, which produce the male gametes (sperm cells). Pollen grains have a hard coat that protects the sperm cells during the process of their movement from the stamens to the pistil of flowering plants or from the male cone to the female cone of coniferous plants. (Wikipedia) Preferred Units: N/A Scope Note: N/A This term is used for the following terms: Microspores (pollen) Pollen grains
Approved Date 18-Apr-2013 Click here to give feedback on this term or suggest an update. |