How does the Cnidocyte of a Cnidarian Function? A cnidocyte, cnidoblast or nematocyte, is a type of venomous cell unique to the phylum Cnidaria (corals, sea anemones, hydrae, jellyfish, etc.).
Such cells are called stem cells. Stem cells are those undifferentiated cells which have the potential to become specialized to form a specific type of cell. For instance, mesenchymal stem cells are a type of stem cells which can differentiate into osteoblasts, chrondocytes, myocytes and adipocytes.
4.3.1. Parenchyma cells are slightly differentiated cells, still being capable of dividing. Among certain circumstances they can dedifferentiate into dividing tissues (secondary meristems). Out of these cells the whole plant may be regenerated; this process is called redifferentiation.