tube foot

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Definitions from WordNet

Noun tube foot has 1 sense

tube foot - tentacular tubular process of most echinoderms (starfish and sea urchins and holothurians) having a sucker at the end and used for e.g. locomotion and respiration
--₁ is a kind of foot, invertebrate foot
--₁ is a part of echinoderm

Definitions from the Web

Term: Tube Foot

Definition:

A tube foot refers to one of the numerous small, thin, and flexible appendages found in echinoderms, such as sea stars, sea urchins, and sea cucumbers. These tube-like structures are used for locomotion, feeding, and respiration.

Examples:

The tube feet of a sea star help it move along the ocean floor.
Sea urchins use their tube feet to grasp onto rocks and gather food.
The sea cucumber extends its tube feet to capture plankton for feeding.

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