pollen tube   (TTS Sound)

The pollen_tube has 1 Senses.

• pollen tube
• 花粉管
• (botany) a slender tubular outgrowth from a pollen grain when deposited on the stigma for a flower; it penetrates the style and conveys the male gametes to the ovule
• 開花のために柱頭の上に堆積したときの花粉粒から細長く管状になって伸びたもの