What does exine mean?
Definitions for exine
ˈɛk sin, -saɪnex·ine
This dictionary definitions page includes all the possible meanings, example usage and translations of the word exine.
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Wiktionary
exinenoun
the outer layer of a pollen grain or spore; the exosporium
Wikipedia
exine
Pollen is a powdery substance produced by seed plants. It consists of pollen grains (highly reduced microgametophytes), which produce male gametes (sperm cells). Pollen grains have a hard coat made of sporopollenin that protects the gametophytes during the process of their movement from the stamens to the pistil of flowering plants, or from the male cone to the female cone of gymnosperms. If pollen lands on a compatible pistil or female cone, it germinates, producing a pollen tube that transfers the sperm to the ovule containing the female gametophyte. Individual pollen grains are small enough to require magnification to see detail. The study of pollen is called palynology and is highly useful in paleoecology, paleontology, archaeology, and forensics. Pollen in plants is used for transferring haploid male genetic material from the anther of a single flower to the stigma of another in cross-pollination. In a case of self-pollination, this process takes place from the anther of a flower to the stigma of the same flower.Pollen is infrequently used as food and food supplement. Because of agricultural practices, it is often contaminated by agricultural pesticides.
Numerology
Chaldean Numerology
The numerical value of exine in Chaldean Numerology is: 3
Pythagorean Numerology
The numerical value of exine in Pythagorean Numerology is: 3
Translations for exine
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- exineGreek
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"exine." Definitions.net. STANDS4 LLC, 2024. Web. 29 Mar. 2024. <https://www.definitions.net/definition/exine>.
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