Assertion: echinoderm's tube foot | /r/HasProperty | extended erect
Facets:
value: fully
type: MANNER
value: from the pinnules
type: LOCATION
Source sentences:
text: The food particles are caught by the primary (longest) tube feet, which are fully extended and held erect from the pinnules, forming a food-trapping mesh, while the secondary and tertiary tube feet are involved in manipulating anything encountered.