Term Name: | tube foot |
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Synonyms: | tube feet |
Definition: | One of the numerous external, fluid-filled muscular tubes of echinoderms, such as the starfish or sea urchin, serving as organs of locomotion, food handling, and respiration[BTO]. Tube feet consist of two parts: ampulla and podia. Ampulla contain both circular muscles and longitudinal muscle, whereas the podia contain the latter only. Thus the podia use suction to attach to the substratum[WP]. |
Ontology: | Uberon Ontology [UBERON:0008247] |