WebFeb 2, 2024 · 有一特殊的内部器官，称为营养体（trophosome），其中含有大量共生细菌，这些细菌的重量可占蠕虫个体干重的60%。 第九节 热液口区与冷渗口区 第九节 热液口区与冷渗口区 另一种占优势的蛤（Calyptogena magnifica）其身体长度可达30~40 cm，血液中也有血红蛋白，而 ... WebAug 10, 2024 · The trophosome is a large organ comprising cells, known as bacteriocytes, whose cytoplasm is packed with bacteria, usually with chemosynthetic metabolism. (The …
Trophosome definition and meaning Collins English Dictionary
WebMeaning of trophosome. What does trophosome mean? Information and translations of trophosome in the most comprehensive dictionary definitions resource on the web. albanian accessories
What does trophosome mean? - Definitions.net
WebTranslate Trophosomes. See Spanish-English translations with audio pronunciations, examples, and word-by-word explanations. A trophosome is a highly vascularised organ found in some animals that houses symbiotic bacteria that provide food for their host. Trophosomes are located in the coelomic cavity in the vestimentiferan tube worms (Siboglinidae, e.g. the giant tube worm Riftia pachyptila) and in symbiotic flatworms of the genus … See more Initially, the trophosome in frenulates and vestimentiferans had been identified as a mesodermal tissue. The discovery of bacteria inside the trophosomal tissue only occurred in 1981 when the ultrastructure of trophosome of … See more 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. Inorganic elements, such as See more In Riftia pachyptila, the glycogen content of 100 μmol glycosyl units g fresh wt determined in the trophosome is divided equally between host and symbionts. Although the … See more Protection against oxidative damage Higher concentration of oxygen in the trophosome, (partial) anaerobic metabolism of the host, and host ROS-detoxifying enzymes in this tissue will not only shield the symbionts from oxidative damage but also … See more 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 … See more In both these animals, the symbiotic bacteria that live in the trophosome oxidize sulfur or sulfide found in the worm's environment and produce organic molecules by carbon dioxide fixation that the hosts can use for nutrition and as an energy source. This … See more • Bacteriome — organ found in some insects that contains endosymbiotic bacteria • Symbiosis See more WebTrophosome This organ of dark green-brown spongy tissue is where the real action takes place. Here, the microbes that live symbiotically in the worm make their home in special … albanian alcohol