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Definition of Pollen tube
1. Noun. (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.
Definition of Pollen tube
1. Noun. 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 ¹
¹ Source: wiktionary.com
Lexicographical Neighbors of Pollen Tube
Literary usage of Pollen tube
Below you will find example usage of this term as found in modern and/or classical literature:
1. Science by American Association for the Advancement of Science (1914)
"After denying Robert Brown's assertion that the pollen tubes of the orchids arise
in the ovary, Schleiden proceeded to describe and figure the pollen tube ..."
2. The American Naturalist by American Society of Naturalists, Essex Institute (1906)
"In the pollen tube of this genus he found not merely two sperms, but from eight
to ten, or even twenty in some cases. Chamberlain ('97) had found in ..."
3. On the Germination, Development, and Fructification of the Higher by Wilhelm Friedrich Benedict Hofmeister, Frederick Currey (1862)
"In some of these corpuscula I saw, close under the end of the pollen- tube but
not in contact with it, a free oval cell differing from the germinal vesicles ..."
4. Botanical Gazette by University of Chicago, JSTOR (Organization) (1916)
"The cultures were examined at 12:20 PM, the temperature being i6?5 C.: (a) very
few had germinated; one had a pollen tube 58.5 /t long and another a pollen ..."
5. Dwarf Mistletoes: Biology, Pathology, and Systematics by Frank G. Hawksworth, Delbert Wiens (1998)
"Thus, the pollen tube must grow for at least 2 months before it reaches and
penetrates the embryo sac. Such an interval is inordinately long among flowering ..."
6. The Journal of Heredity by American Genetic Association (1917)
"action of the stigma to a pollen tube from a cross-pollination may be different
from that to a pollen tube from a self-pollination. ..."
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