pollen
(pol′ĕn )
To hear audio pronunciation of this topic, purchase a subscription or log in.[L. pollen, fine flour]
The microspores of a seed plant that develop in the anther at the tip of the stamen. Each pollen grain develops a pollen tube and constitutes the male gametophyte. Within it develops a tube nucleus and two sperm nuclei, which are the male reproductive cells. Many airborne pollens are allergens.
SEE: hay fever
There's more to see -- the rest of this topic is available only to subscribers.



Taber's Medical Dictionary