pollen tube (Meaning)
Wordnet
pollen tube (n)
(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
Synonyms & Antonyms of pollen tube
No Synonyms and anytonyms found
pollen tube Sentence Examples
- The pollen tube, an elongated structure, emerges from a germinating pollen grain.
- The pollen tube acts as a pathway for the delivery of sperm cells from the pollen grain to the ovule.
- The pollen tube grows towards the ovule, guided by chemical signals.
- Inside the pollen tube, two sperm cells undergo mitosis, forming four haploid nuclei.
- The pollen tube ruptures at the micropyle, releasing the sperm cells into the ovule.
- The pollen tube also transports nutrients and hormones to support the developing embryo.
- The pollen tube nucleus contains genes that contribute to the characteristics of the offspring.
- In some plants, the pollen tube's growth is facilitated by enzymes that break down the stigma and style tissues.
- The pollen tube's length can vary greatly depending on the plant species, ranging from a few centimeters to several meters.
- Pollen tube formation is a crucial process for the successful fertilization and development of seeds in flowering plants.
FAQs About the word pollen tube
(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
No synonyms found.
No antonyms found.
The pollen tube, an elongated structure, emerges from a germinating pollen grain.
The pollen tube acts as a pathway for the delivery of sperm cells from the pollen grain to the ovule.
The pollen tube grows towards the ovule, guided by chemical signals.
Inside the pollen tube, two sperm cells undergo mitosis, forming four haploid nuclei.
