英语词汇“tube foot”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

tube foot

noun (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.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.

单词	tube foot
释义	tube foot noun (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.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.
随便看	ribbon coil ribbon copy ribbon cutting ribbon-developed ribbon development ribboned ribbon fern ribbon figure ribbonfish ribbon grain ribbon-grass ribbon gum ribboning-out Ribbonism ribbon knit ribbon knot ribbon lake ribbon lightning Ribbonman ribbon microphone ribbon mike ribbon parachute ribbon plant ribbonry ribbon seal