pollen tube

Noun

 * 1) the tube that develops from the wall of a pollen grain and, in seed plants, provides a passage through which the male nuclei reach the embryo sac to effect fertilization

Translations

 * French: tube pollinique
 * German: Pollenschlauch
 * Italian: tubo pollinico
 * Portuguese: tubo polínico
 * Spanish: tubo polínico