Assertion: tentacle's cell | /r/HasProperty | cnidocytes
Facets:
value: generally
type: DEGREE
Source sentences:
text: Polyps extend their tentacles, particularly at night, often containing coiled stinging cells (cnidocytes) which pierce, poison and firmly hold living prey paralysing or killing them.
text: Generally, these cells are called cnidocytes (hint: don’t pronounce the “c”), which comes from the ancient Greek word for nettle.