KSIĄŻKI POWIĄZANE ZE SŁOWEM «TUBE FOOT»
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1
Starfish: Biology and Ecology of the Asteroidea
In his model for tube foot attachment, ]. E. Smith (1947) postulated that the suction
effect when a tube foot contacts a surface is the consequence of the contraction
of the levator muscle which lifts the diaphragm, thus creating a suction cavity.
2
Sea Urchins: Biology and Ecology
Prouho (1888) noted a current flow into the tube foot by the external pore that
reaches the end of the tube foot and then descends to exit through the internal
pore. He did not observe the central septum in the tube foot noted by Fenner (
1973) ...
3
Biological Adhesive Systems: From Nature to Technical and ...
Tube foot morphology and ultrastructure have been investigated in a large
diversity of species while the secreted material has been described and
characterized mainly in the species Asterias rubens (Flammang, 1996;
Flammang et al., 1994, ...
Dr. D. Fac. of Life Science von University of Vienna, Ingo Grunwald, 2011
4
Echinoderms: Present and Past
1 ABSTRACT The musculature of the tube foot is dually jnnervated in a rather
unusual manner. Modified muscle processes termed muscle tails pass from the
musculature into the perradial pore of the pore pair. Motorneurones within the
nerve ...
5
Mechanical Design in Organisms
Steeply angled helical fibres in the resting state confer control of changes of the
tube foot's length that circumferentially oriented fibres could not. Presumably the
longitudinal fibres limit the protracted length of the tube foot, but the crossed ...
Stephen A. Wainwright, 1982
6
Proceedings [of the International Congress of Zoology, 16th, ...
In the water-vascular system of ophiuroids, the absence of tube-foot ampullae
comparable to those of asteroids is striking. Perhaps because the tube-feet are
not important in locomotion and because they may show only slight changes of ...
D. C.) International Congress of Zoology (16th : 1963 : Washington, 1963
Now since all the movements of a tube-foot can be accounted for by the action of
the longitudinal muscles of its lower part and the circular muscles of the ampulla,
the question arises as to what is the purpose of this apparatus of radial and ...
A. E. Shipley, E. W. MacBride, 2014
Each lateral canal contains a valve at the junction with the tube foot. I Tube Feet
Each tube foot is a muscular closed vessel bearing a sucker at its outer end ; the
inner end expands to form a rounded structure called ampulla. The tube feet are
...
TUBE FEET AND LOCOMOTION The five classes of echinoderm have different
types of tube foot, but a tube foot of Echinus will serve as an example (Figs. 24.4,
24.8). Two holes through the test connect it to its ampulla. It is lined with cilia ...
R. McNeill Alexander, 1979
10
Issues in Biological and Life Sciences Research: 2011 Edition
The tensile strength of the tube foot stem was investigated considering the two
tissues that could assume a load-bearing function, i.e. the retractor muscle and
the connective tissue. The latter is a mutable collagenous tissue presenting a ...
