10 LIVRES EN ANGLAIS EN RAPPORT AVEC «VISCIN»
Découvrez l'usage de
viscin dans la sélection bibliographique suivante. Des livres en rapport avec
viscin et de courts extraits de ceux-ci pour replacer dans son contexte son utilisation littéraire.
In Rhododendroideae, which are pollinated by bumblebees, honeybees, birds,
and, to some degree, also by flies, the viscin threads are restricted to taxa with
erect flowers (Wallace 1975) and are much thinner and more rare than in ...
Amots Dafni, Michael Hesse, Ettore Pacini, 2000
2
Biological Adhesive Systems: From Nature to Technical and ...
1.5 Epilobium hirsutum (Onagraceae), pollen tetrad, the individual pollen grains
are connected by viscin threads. Note proximal emergence of viscin threads (
PalDat, Photo by H. Halbritter) Fig. 1.6 Epilobium hirsutum (Onagraceae), several
...
Dr. D. Fac. of Life Science von University of Vienna, Ingo Grunwald, 2011
3
The Anther: Form, Function, and Phylogeny
viscin. threads. Owing to imprecise pollination, nectar-flowers that are pollinated
by large animals (such as butterflies, hawk- moths, birds, bats) tend to have large,
relatively broad anthers with the stomia facing the same direction, extremely ...
William G. D'Arcy, Richard C. Keating, 1996
4
Diversity and Evolutionary Biology of Tropical Flowers
Aggregation ean be accomplished in four ways: (1) by a coating of pollenkitt. a
sticky secretion of the tapetum; (2) by a glue originating from floral parts other
than the tapetum; (3) by 'viscin' threads, elastic extensions providing a loose
pollen ...
5
Merck's Annual Report of Recent Advances in Pharmaceutical ...
Viscin. This preparation is obtained by the purification of the commercial »Viscum
aucuparium verum« (Viscum bird-lime), which is derived from the berries and the
bark of the branches of Viscum album. Viscin is not used as such for ...
6
A Dictionary of Chemistry and the Allied Branches of Other ...
The portion of crude viscin which is insoluble in alcohol and ether, and,
according to Beinsch, forms the chief constituent of bird-lime (i. 589). VISCEWE.
An oil obtained by the dry distillation of viscin. VISCIC ACID. See the next article.
VIS Cliff.
7
Chemistry of Organic Bodies: Vegetables
All the parts of the misseltoe contain viscin, which may be extracted mechanically
by expressing, for example, the juice of the barker berries, and kneading the
viscid liquor under water. The viscin remains attached to the fingers, in the form of
a ...
8
The mistletoes: a literature review
FRUIT The fruit is characterized by a leathery or fleshy coat enclosing a layer of
mucilaginous viscin together with parenchyma and vascular tissues. The latter
may be either external or internal to the viscin layer. Viscin serves as an adhesive
...
Lake S. Gill, Frank G. Hawksworth, 1961
The term viscin thread was originally coined by Kerner von Marilaun (1891) for
the sticky, elastic and viscin-like threads holding the mass of pollen together in
Orchidaceae, Asclepiadaceae, Onagraceae and Ericaceae. He emphasized that
...
A. K. Shukla, M. R. Vijayaraghavan, B. Chaudhry, 1998
10
Dwarf Mistletoes: Biology, Pathology, and Systematics
endosperm embryo viscin cells pericarp Figure 2.3 -Mature fruit and seed of
Arceuthobium. Diagrammatic cross-section through a mature fruit (left) and fruit
discharging its seed (right). (B. Velick) Figure 2.4 -Explosive seed discharge in ...
Frank G. Hawksworth, Frank G. Hawksworth Delbert Wiens Brian W. Geils United States Forest Service Rebecca G. Nisley, Delbert Wiens, 1998
3 ACTUALITÉS CONTENANT LE TERME «VISCIN»
Découvrez de quoi on parle dans les médias nationaux et internationaux et comment le terme
viscin est employé dans le contexte des actualités suivantes.
Mistletoe is the Vampire of Plants
Birds eat their berries, which are coated in gluey material called viscin. The birds poop all over the forest, and thanks to the viscin, the mistletoe seeds in said ... «Daily Beast, déc 14»
Facts to Share at Your Next Holiday Party: Mistletoe is Weird
The seeds are large and extremely sticky, coated in a sugary molecule called viscin. The seeds can either get stuck to the birds' beaks, who then rub them ... «Scientific American, déc 13»
Lifeform of the week: Mistletoe
The seeds of these berries are covered in a gluey substance called viscin. ... expel the digested remains of the fruit, its viscin coating still adhering to the seeds. «EarthSky, mai 12»
