|
Chloragogen
Chloragogen cells, also called ''y cells'', are star-shaped cells in annelids involved with Excretory system, excretory functions and intermediary metabolism. These cells function similar to the liver found in vertebrates. Chloragogen tissue is most extensively studied in Earthworm, earthworms. Structure and location These cells are derived from the inner coelomic epithelium and are present in the Coelom#Coelomic_fluid, coelomic fluid of some annelids.''Biology and Ecology of Earthworms, Volume 3'', Clive A. Edwards, P.J. Bohlen, p.75 They have characteristic vesicular bulging due to their function in storing and transporting substances, and are yellow due to the presence of cytosolic Granule (cell biology), granules known as chloragosomes.''Lysosomal acid hydrolases in the chloragogen cells of earthworms'', Comparative Biochemistry and Physiology Part A: Physiology, Volume 45, A.T. Varute, N.K. More, Issue 2, p.607-635 Function The most understood function of chloragogen tissue ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Annelids
The annelids (), also known as the segmented worms, are animals that comprise the phylum Annelida (; ). The phylum contains over 22,000 extant species, including ragworms, earthworms, and leeches. The species exist in and have adapted to various ecologies – some in marine environments as distinct as tidal zones and hydrothermal vents, others in fresh water, and yet others in moist terrestrial environments. The annelids are bilaterally symmetrical, triploblastic, coelomate, invertebrate organisms. They also have parapodia for locomotion. Most textbooks still use the traditional division into polychaetes (almost all marine), oligochaetes (which include earthworms) and leech-like species. Cladistic research since 1997 has radically changed this scheme, viewing leeches as a sub-group of oligochaetes and oligochaetes as a sub-group of polychaetes. In addition, the Pogonophora, Echiura and Sipuncula, previously regarded as separate phyla, are now regarded as sub-group ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
