Assertion: echinoderm's tube foot | /r/HasProperty | arranged in triad
Facets:
Source sentences:
text: A ciliated ambulacral groove runs along each arm and branches into the pinnules; the groove contains feathery, tube feet arranged in triads.
text: A ciliated ambulacral groove runs along each arm and branches into the pinnules; the groove contains feathery, tube feet arranged in triads.