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.
These sensations are called palpitations. For most people, although palpitations can feel unpleasant, theyâre usually harmless and do not mean anything is wrong with your heart. You might also feel that your heart has missed or 'skipped' a beat or there has been an extra beat. An extra beat is called an ectopic beat.Ectopic beats are very common and are usually harmless and do not need any treatment. If you are concerned about palpitations or ectopic beats, you should speak to your doctor who will be able to do an ECG to assess your heart rate and the rhythm.n extra beat is called an ectopic beat. Ectopic beats are very common and are usually harmless and do not need any treatment. If you are concerned about palpitations or ectopic beats, you should speak to your doctor who will be able to do an ECG to assess your heart rate and the rhythm.