Ranviern.

Brit.

/ˈrɒ̃vɪeɪ/, U.S.

/ˈrɑnviˌeɪ/

Origin: From a proper name. Etymon: proper name Ranvier.

Etymology: < the name of Louis Antoine Ranvier (1835–1922), French histologist, who described the structures (as anneau constricteur and étranglement annulaire) in 1871 ( Comptes rendus hebd. de l'Acad. des Sci. 73 1171) and 1872 ( Arch. de physiol. normale et pathol. 4 129).

Histology.

node of Ranvier n. (also Ranvier node, Ranvier's node) any of the gaps in the myelin sheath that occur between neighbouring Schwann cells or oligodendrocytes along a myelinated nerve fibre.

ΘΚΠ

the world > life > the body > nervous system > nerve > parts of nerves > [noun] > interruption in myelin

node of Ranvier1876

1876 M. Foster & J. Langley Course Elem. Pract. Physiol. 58 Observe..the break in the medullary sheath (Ranvier's node) between each two nuclei.

1885 Encycl. Brit. XIX. 23/2 The medullary sheath shows at certain intervals interruptions called the ‘nodes of Ranvier’.

1912 J. D. Lickley Nerv. Syst. ii. 11 On the outside of the medullary sheath..is a thin structureless membrane known as the neurilemma... It is a continuous sheath and is not interrupted at the nodes of Ranvier.

1950 Exper. Cell Res. 1 310 Membranous sheaths..interrupted at periodic intervals of 1–3 mm by constrictions or Ranvier nodes.

1979 Jrnl. Amer. Med. Assoc. 23 Mar. 1248/3 This resulted in displacement and obstruction of Ranvier's nodes, producing a conduction block.

2002 T. Shimoda Fourth Treasure (2003) 153 The sheath is not continuous; small gaps called nodes of Ranvier act like booster stations, increasing the strength of the signal.

This entry has been updated (OED Third Edition, December 2008; most recently modified version published online March 2022).

单词	ranvier
释义	Ranviern. Brit. /ˈrɒ̃vɪeɪ/, U.S. /ˈrɑnviˌeɪ/ Origin: From a proper name. Etymon: proper name Ranvier. Etymology: < the name of Louis Antoine Ranvier (1835–1922), French histologist, who described the structures (as anneau constricteur and étranglement annulaire) in 1871 ( Comptes rendus hebd. de l'Acad. des Sci. 73 1171) and 1872 ( Arch. de physiol. normale et pathol. 4 129). Histology. node of Ranvier n. (also Ranvier node, Ranvier's node) any of the gaps in the myelin sheath that occur between neighbouring Schwann cells or oligodendrocytes along a myelinated nerve fibre. ΘΚΠ the world > life > the body > nervous system > nerve > parts of nerves > [noun] > interruption in myelin node of Ranvier1876 1876 M. Foster & J. Langley Course Elem. Pract. Physiol. 58 Observe..the break in the medullary sheath (Ranvier's node) between each two nuclei. 1885 Encycl. Brit. XIX. 23/2 The medullary sheath shows at certain intervals interruptions called the ‘nodes of Ranvier’. 1912 J. D. Lickley Nerv. Syst. ii. 11 On the outside of the medullary sheath..is a thin structureless membrane known as the neurilemma... It is a continuous sheath and is not interrupted at the nodes of Ranvier. 1950 Exper. Cell Res. 1 310 Membranous sheaths..interrupted at periodic intervals of 1–3 mm by constrictions or Ranvier nodes. 1979 Jrnl. Amer. Med. Assoc. 23 Mar. 1248/3 This resulted in displacement and obstruction of Ranvier's nodes, producing a conduction block. 2002 T. Shimoda Fourth Treasure (2003) 153 The sheath is not continuous; small gaps called nodes of Ranvier act like booster stations, increasing the strength of the signal. This entry has been updated (OED Third Edition, December 2008; most recently modified version published online March 2022). < n.1876
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