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.
Undifferentiated carcinoma is used by pathologists when they believe the tumor is a carcinoma (not lymphoma, melanoma, or. sarcoma) but they are not sure if the tumor is small cell or non-small cell. Lung Terms and Definitions. Lung Equivalent Terms, Definitions, Charts, Tables and Illustrations. C340-C349. (Excludes lymphoma and leukemia M9590-9989 and Kaposi sarcoma M9140) Large cell carcinoma (8012): Large cell is a diagnosis that is used when the tumor is a non-small cell carcinoma that is undifferentiated.