nematocyst
An organelle found in cnidoblast (nematoblast) cells. When matured, these stinging organelles store toxins and can deliver them when the cnidocil (a short extension of the cnidocyst) is stimulated by a prey or another stimulus.
GO:0043232
intracellular membraneless organelle
is_a
GO:0005938
cell cortex
part_of
cnidocyst
exact