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.
1 Platelets are also called thrombocytes. 2  Red blood cells carry oxygen. 3  Of the 3 types of blood cells, red blood cells are the most plentiful. 4  In fact, a healthy adult has about 35 trillion of them. 5  The body creates these cells at a rate of about 2.4 million a second, and they each have a life span of about 120 days.lood is made mostly of plasma, but 3 main types of blood cells circulate with the plasma: 1  Platelets help the blood to clot. 2  Clotting stops the blood from flowing out of the body when a vein or artery is broken. 3  Platelets are also called thrombocytes. 4  Red blood cells carry oxygen.