Definition of Exine. Meaning of Exine. Synonyms of Exine

Here you will find one or more explanations in English for the word Exine. Also in the bottom left of the page several parts of wikipedia pages related to the word Exine and, of course, Exine synonyms and on the right images related to the word Exine.

Definition of Exine

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Hexine
Hexine Hex"ine, n. [Gr. "e`x six.] (Chem.) A hydrocarbon, C6H10, of the acetylene series, obtained artificially as a colorless, volatile, pungent liquid; -- called also hexoylene.

Meaning of Exine from wikipedia

- shape and form a resistant outer wall called the exine and an inner wall called the intine. The exine is what is preserved in the fossil record. Two basic...
- identified under magnification (600×) by their characteristic granular exines bearing three con****uous pores. Corylus has around 14–18 species. The cir****scription...
- One characteristic which most species in this group share is a lack of an exine, or protective layer, around the pollen grain. Paul Knuth identified two...
- is a biological polymer found as a major component of the tough outer (exine) walls of plant spores and pollen grains. It is chemically very stable (one...
- species. Many Aroideae have spiny pollen grains without a sporopollenin outer exine layer and lacking an aperture. It includes: Aglaodorum Schott Aglaonema...
- in volatiles and relatively rich in hydrogen, that is represented by the exines of spores. C.A. Seyler in 1932, however, used the term with its present...
- binucleate pollen, which has a thicker exine and the second is trinucleate pollen, which has a thinner exine. Binucleate pollen has a higher lifespan...
- The outer part has a hexagonal crystalline structure and is called exine. Exine is partially hydrolyzed by trypsin and is resistant to lysozyme, in contrast...
- petal-like tepals and a black centre. The pollen is dry, has an unsculpted exine, is less than 40 nm in diameter, and is usually deposited within 1.5 m of...
- area, a long colpus, a lalongate endoaperture, a caveate[check spelling] exine and an echinate ****ine. Verbesina alternifolia Verbesina auriculigera Verbesina...