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单词 myelencephalous
释义

myelencephalousadj.

Origin: Formed within English, by derivation; modelled on a Latin lexical item. Etymons: myelo- comb. form, encephalon n., -ous suffix.
Etymology: < myelo- comb. form (compare myelon n.) + encephalon n. + -ous suffix, in taxonomic use after scientific Latin †Myelencephala, former subkingdom name (see quot. 1843).
Zoology. Obsolete.
Of or relating to the cerebrospinal system of vertebrates, esp. with reference to the former subkingdom Myelencephala (now the subphylum Vertebrata), characterized by possession of such a system.
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the world > animals > animal body > general parts > constituent materials > [adjective] > vertebrate
vertebral1815
vertebrate1824
vertebrated1828
myelencephalous1846
backboned1860
1843 R. Owen Lect. Compar. Anat. Invertebr. Animals 12 The sub-kingdom Vertebrata, or Myelencephala.]
1846 R. Owen Lect. Compar. Anat. Vertebr. Animals 46 The perfect type of that primary segment of the myelencephalous skeleton.
1866 R. Owen On Anat. Vertebr. I. 266 The myelon, the encephalon, and their nerves, constitute the myelencephalous or cerebro-spinal system.
1890 Cent. Dict. Myelencephalous, having a brain and spinal cord.
This entry has been updated (OED Third Edition, June 2003; most recently modified version published online June 2018).
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adj.1846
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