parencephalonn.

Brit.

/ˌparɛnˈsɛfəlɒn/,

/ˌparɛnˈkɛfəlɒn/, U.S.

/ˌpɛrənˈsɛfəˌlɑn/,

/ˌpɛrənˈsɛfələn/; see also encephalon n.

Origin: Formed within English, by derivation. Etymons: para- prefix¹, encephalon n.

Etymology: < para- prefix¹ + encephalon n. In sense 1, after post-classical Latin parencephalis or its etymon ancient Greek παρεγκεϕαλίς cerebellum (see parencephalos n.). Compare earlier parencephalos n. In sense 2, after German Parencephalon (K. W. von Kupffer in Handb. der vergleichenden u. experimentellen Entwickelungslehre der Wirbelthiere (1906) II. iii. 36).

Anatomy and Embryology.

1. Anatomy. The cerebellum.

ΘΚΠ

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

cerebellum1565

after-brain1615

cerebel1621

brainlet1663

petty-brain1663

parencephalos1704

hindbrain1715

parencephalon1890

1890 Cent. Dict. Parencephalon, the cerebellum.

1900 W. A. N. Dorland Amer. Illustr. Med. Dict. 482/1 Parencephalon.

2. Embryology. A part of the embryonic diencephalon, giving rise to the thalamus.

ΘΚΠ

the world > life > biology > biological processes > procreation or reproduction > embryo or fetus > embryo parts > [noun] > skull or brain

visceral cleft1870

metencephalon1871

chondrocranium1875

protocerebrum1885

protencephalon1887

parachordal1892

tritencephalon1910

parencephalon1911

1911 Philos. Trans. (Royal Soc.) B. 201 248 From the parencephalon arise both the lateral eyes and the pineal organs.

1995 Mechanisms Devel. 52 11/2 Wnt-1 was expressed in the synencephalon and dorsal posterior parencephalon.

2001 Jrnl. Neurosci. 21 41699/2 The diencephalon has been subdivided into three neuromeres (or prosomeres), corresponding with the synencephalon (presumptive pretectum), posterior parencephalon (presumptive dorsal thalamus), and anterior parencephalon (presumptive ventral thalamus).

This entry has been updated (OED Third Edition, June 2005; most recently modified version published online March 2022).

单词	parencephalon
释义	parencephalonn. Brit. /ˌparɛnˈsɛfəlɒn/, /ˌparɛnˈkɛfəlɒn/, U.S. /ˌpɛrənˈsɛfəˌlɑn/, /ˌpɛrənˈsɛfələn/; see also encephalon n. Origin: Formed within English, by derivation. Etymons: para- prefix¹, encephalon n. Etymology: < para- prefix¹ + encephalon n. In sense 1, after post-classical Latin parencephalis or its etymon ancient Greek παρεγκεϕαλίς cerebellum (see parencephalos n.). Compare earlier parencephalos n. In sense 2, after German Parencephalon (K. W. von Kupffer in Handb. der vergleichenden u. experimentellen Entwickelungslehre der Wirbelthiere (1906) II. iii. 36). Anatomy and Embryology. 1. Anatomy. The cerebellum. ΘΚΠ the world > life > the body > nervous system > cerebrospinal axis > brain > parts of brain > [noun] > cerebellum cerebellum1565 after-brain1615 cerebel1621 brainlet1663 petty-brain1663 parencephalos1704 hindbrain1715 parencephalon1890 1890 Cent. Dict. Parencephalon, the cerebellum. 1900 W. A. N. Dorland Amer. Illustr. Med. Dict. 482/1 Parencephalon. 2. Embryology. A part of the embryonic diencephalon, giving rise to the thalamus. ΘΚΠ the world > life > biology > biological processes > procreation or reproduction > embryo or fetus > embryo parts > [noun] > skull or brain visceral cleft1870 metencephalon1871 chondrocranium1875 protocerebrum1885 protencephalon1887 parachordal1892 tritencephalon1910 parencephalon1911 1911 Philos. Trans. (Royal Soc.) B. 201 248 From the parencephalon arise both the lateral eyes and the pineal organs. 1995 Mechanisms Devel. 52 11/2 Wnt-1 was expressed in the synencephalon and dorsal posterior parencephalon. 2001 Jrnl. Neurosci. 21 41699/2 The diencephalon has been subdivided into three neuromeres (or prosomeres), corresponding with the synencephalon (presumptive pretectum), posterior parencephalon (presumptive dorsal thalamus), and anterior parencephalon (presumptive ventral thalamus). This entry has been updated (OED Third Edition, June 2005; most recently modified version published online March 2022). < n.1890
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