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tube foot Saltos de línea: tube foot

Definición de tube foot en inglés:


(usually tube feet) Zoology
(In an echinoderm) each of a large number of small flexible hollow appendages protruding through the ambulacra, used either for locomotion or for collecting food and operated by hydraulic pressure within the water-vascular system.
Oraciones de ejemplo
  • Scanning electron microscopy revealed that the tube feet of Acodontaster conspicuus lacked suckers, with no distinct concavity in the center of the disc, as seen in a typical flat-tipped suckered tube foot.
  • We demonstrate that there is considerable variation in tube-foot morphology among members of the Asteroidea including an entirely new type of flat-tipped, non-suckered tube foot in species belonging to the order Valvatida.
  • Each tube foot is made of an ampulla, podium, and usually a sucker.
Definición de tube foot en:
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