myelencephalonn.

Brit.

/ˌmʌɪᵻlɛnˈsɛfəlɒn/,

/ˌmʌɪᵻlɛnˈsɛfl̩ɒn/,

/ˌmʌɪᵻlɛnˈkɛfəlɒn/,

/ˌmʌɪᵻlɛnˈkɛfl̩ɒn/, U.S.

/ˈˌmaɪəlˌɛnˈsɛfəˌlɑn/

Origin: Formed within English, by compounding. Etymons: myelo- comb. form, encephalon n.

Etymology: < myelo- comb. form + encephalon n., after myelencephalous adj. Compare French myélencéphale (1868). N.E.D. (1908) gives the pronunciation as (məi:ĕlense·fălǫn) /ˌmaɪəlɛnˈsɛfəlɒn/.

Anatomy.

†1. R. Owen's name for: the cerebrospinal axis or system. Obsolete. rare.

ΘΚΠ

the world > life > the body > nervous system > cerebrospinal axis > [noun]

tree1843

myelencephalon1866

axis1873

neuron1884

neuraxis1889

1866 R. Owen On Anat. Vertebr. I. 268 Myelencephalon of Fishes.

2. The caudal division of the rhombencephalon (hindbrain) in the vertebrate embryo. Also: the medulla oblongata, into which this develops.

ΘΚΠ

the world > life > the body > nervous system > cerebrospinal axis > brain > parts of brain > [noun] > medulla oblongata

marrowa1398

medulla oblongata1668

medulla1722

oblongated marrow1822

macromyelon1846

myelencephalon1871

1871 T. H. Huxley Man. Anat. Vertebrated Animals 72 All the other cerebral nerves originate in the posterior division of the hind-brain—the myelencephalon.

1883 Philos. Trans. 1882 (Royal Soc.) 173 947 This commissure is traceable in the myelencephalon as far forward as the posterior side of the cerebellum.

1934 R. R. Grinker Neurol. i. 12 Division of the rhombencephalon into metencephalon (cerebellum), and myelencephalon (medulla).

1974 D. Webster & M. Webster Compar. Vertebr. Morphol. xi. 240 The diencephalon, mesencephalon, ventral metencephalon, and myelencephalon together comprise the brainstem.

1988 Mouse News Let. Nov. 169 Analysis of Hox-1.4 expression in day 13 embryos reveals localization in the dorsal myelencephalon.

2001 Jrnl. Endocrinol. 169 487 At this age [sc. embryonic day 3], the divisions of the brain (the telencephalon, diencephalon, mesencephalon, metencephalon and myelencephalon) have intense GH immunoreactivity.

This entry has been updated (OED Third Edition, June 2003; most recently modified version published online March 2022).

单词	myelencephalon
释义	myelencephalonn. Brit. /ˌmʌɪᵻlɛnˈsɛfəlɒn/, /ˌmʌɪᵻlɛnˈsɛfl̩ɒn/, /ˌmʌɪᵻlɛnˈkɛfəlɒn/, /ˌmʌɪᵻlɛnˈkɛfl̩ɒn/, U.S. /ˈˌmaɪəlˌɛnˈsɛfəˌlɑn/ Origin: Formed within English, by compounding. Etymons: myelo- comb. form, encephalon n. Etymology: < myelo- comb. form + encephalon n., after myelencephalous adj. Compare French myélencéphale (1868). N.E.D. (1908) gives the pronunciation as (məi:ĕlense·fălǫn) /ˌmaɪəlɛnˈsɛfəlɒn/. Anatomy. †1. R. Owen's name for: the cerebrospinal axis or system. Obsolete. rare. ΘΚΠ the world > life > the body > nervous system > cerebrospinal axis > [noun] tree1843 myelencephalon1866 axis1873 neuron1884 neuraxis1889 1866 R. Owen On Anat. Vertebr. I. 268 Myelencephalon of Fishes. 2. The caudal division of the rhombencephalon (hindbrain) in the vertebrate embryo. Also: the medulla oblongata, into which this develops. ΘΚΠ the world > life > the body > nervous system > cerebrospinal axis > brain > parts of brain > [noun] > medulla oblongata marrowa1398 medulla oblongata1668 medulla1722 oblongated marrow1822 macromyelon1846 myelencephalon1871 1871 T. H. Huxley Man. Anat. Vertebrated Animals 72 All the other cerebral nerves originate in the posterior division of the hind-brain—the myelencephalon. 1883 Philos. Trans. 1882 (Royal Soc.) 173 947 This commissure is traceable in the myelencephalon as far forward as the posterior side of the cerebellum. 1934 R. R. Grinker Neurol. i. 12 Division of the rhombencephalon into metencephalon (cerebellum), and myelencephalon (medulla). 1974 D. Webster & M. Webster Compar. Vertebr. Morphol. xi. 240 The diencephalon, mesencephalon, ventral metencephalon, and myelencephalon together comprise the brainstem. 1988 Mouse News Let. Nov. 169 Analysis of Hox-1.4 expression in day 13 embryos reveals localization in the dorsal myelencephalon. 2001 Jrnl. Endocrinol. 169 487 At this age [sc. embryonic day 3], the divisions of the brain (the telencephalon, diencephalon, mesencephalon, metencephalon and myelencephalon) have intense GH immunoreactivity. This entry has been updated (OED Third Edition, June 2003; most recently modified version published online March 2022). < n.1866
随便看	screw threaded screw tool screw top screw tree screw twist screw up screw valve screw ventilator screw vessel screw well screw wheel screw wire screw with screw worm screw worm chuck screw wrench screw you screw-back cannon screw-barrel screw-bean screw-bean mesquite screw-bell screw-board screw-bolt screw-bolting