Assertion: starfish's side | /r/HasProperty | top
Facets:
Source sentences:
text: The tube feet are filled with seawater, which the sea star brings in through the madreporite on its top side.
text: The tube feet are filled with seawater, which the sea star brings in through the madreporite (a sort of trap door) on its top side.
text: The tube feet are filled with sea water, which the sea star brings in through the sieve plate, or madreporite, on its top side.