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    Trophosome - Wikipedia

    • A trophosome is a highly vascularised organ found in some animals that houses symbiotic bacteria that provide food for their host. Trophosomes are contained by the coelom of tube worms (family Siboglinidae, e.g. the giant tube worm Riftia pachyptila) and in the body of symbiotic flatworms of the genus Paracatenula. 展开

    Organization

    Initially, the trophosome in frenulates and vestimentiferans, which are now classified as members of the
    The … 展开

    Trophosome color

    The host lacks entirely a digestive system but derives all the essential nutrients from its endosymbiont . The host in turn provides the endosymbiont with all necessary inorganic compounds for chemolithoautotrophy展开

    Trophosome growth

    Trophosome tissue development happens by stem cells in the center of each lobule, contributing to new lobules as well as the regeneration of bacteriocytes circulating from the center to the periphery of each lobule through w… 展开