Annelida
| Definition: |
A phylum of metazoan invertebrates comprising the segmented worms, and including marine annelids (POLYCHAETA), freshwater annelids, earthworms (OLIGOCHAETA), and LEECHES. Only the leeches are of medical interest. (Dorland, 27th ed) |
| Notes: |
a phylum of segmented worms; GEN or unspecified; prefer specifics; /microbiol /parasitol /virol permitted |
Annelida Categories.
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Leeches - Annelids of the class Hirudinea. Some species, the bloodsuckers, may become temporarily parasitic upon animals, including man. Medicinal leeches (Hirudo medicinalis) have been used therapeutically for drawing blood since ancient times. |
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Oligochaeta - A class of annelid worms with few setae per segment. It includes the earthworms such as Lumbricus and Eisenia. |
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Polychaeta - A class of marine annelids including sandworms, tube worms, clamworms, and fire worms. It includes also the genus Myxicola infundibulum. |
Annelida Definitions and Terms
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