Definition of tube foot in English:
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.
Definition of tube foot in:
- British & World English dictionary
What do you find interesting about this word or phrase?
Comments that don't adhere to our Community Guidelines may be moderated or removed.
Most popular in the US
Most popular in the UK
Most popular in Canada
Most popular in Australia
Most popular in Spain
Most popular in Malaysia
Most popular in Pakistan