pollen, n. [L. pollen fine flour, fine dust; cf. Gr. ].
Pollen grain (Bot.), a particle or call of pollen. -- Pollen mass, a pollinium. Gray. -- Pollen sac, a compartment of an anther containing pollen, -- usually there are four in each anther. -- Pollen tube, a slender tube which issues from the pollen grain on its contact with the stigma, which it penetrates, thus conveying, it is supposed, the fecundating matter of the grain to the ovule.
pollen, n. the fine dustlike grains discharged from the male part of a flower containing the gamete that fertilizes the female ovule.
pollen analysis = PALYNOLOGY. pollen count an index of the amount of pollen in the air, published esp. for the benefit of those allergic to it.
pollenless adj. pollinic adj.
L pollen pollinis fine flour, dust
androcyte, antheridium, antherozoid, male gamete, milt, protein, scum, seed, semen, seminal fluid, sperm, sperm cell, spermagonium, spermatic fluid, spermatid, spermatiophore, spermatium, spermatocyte, spermatogonium, spermatophore, spermatozoa, spermatozoid, spermatozoon