| 单词 | phoronid |
| 释义 | phoronid[ fuh-roh-nid ] / fəˈroʊ nɪd / nounany member of the invertebrate phylum Phoronida, wormlike marine animals living in a chitinous tube and having an anterior structure bearing ciliated tentacles for feeding. adjectivebelonging or pertaining to the phoronids. Origin of phoronid<New Latin Phoronida, equivalent to Phoron(is) name of genus (<Latin: a name of Io) + -ida neuter plural noun suffix; see -id2 Words nearby phoronid-phoresis, phoresy, phoria, phormium, phoro-, phoronid, phoro-optometer, phoropter, -phorous, phos-, phosgene Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Scientific definitions for phoronidphoronid [ fə-rō′nĭd ] Any of various small, mostly solitary, wormlike marine invertebrates of the phylum Phoronida. As adults, phoronids live in the ocean floor in a tube that they secrete made of chitin. They have a U-shaped digestive tract and feed by filtering food particles with a ciliated structure called a lophophore. The larvae of phoronids are very different in appearance and are free-swimming. Phoronids are thought to be related to the brachiopods and bryozoans. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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