rubro-comb. form

Stress is usually determined by a subsequent element and vowels may be reduced accordingly. Some degree of stress is always maintained on the first syllable. If the subsequent element is an existing word, it is likely to retain its original stress pattern, e.g. rubrospinal Brit.

/ˌruːbrə(ʊ)ˈspʌɪnl/, U.S.

/ˌrubroʊˈspaɪn(ə)l/.

Origin: A borrowing from Latin. Etymon: Latin rubro-.

Etymology: < post-classical Latin rubro- (in e.g. rubrocroceus reddish yellow (1685 or earlier)), combining form of classical Latin ruber red (ultimately < the same Indo-European base as red adj.); compare -o- connective. With rubrospinal compare French rubro-spinal (1900 or earlier in a medical context). In rubroreticular probably after scientific Latin rubroreticularis (1910 or earlier in a German medical context). Compare rubral adj.Found from the beginning of the 20th cent. in a small number of scientific terms, both new formations and adaptations of foreign words. Combining with second elements of Latin origin.

Anatomy.

Forming adjectives designating nerve fibres and tracts that connect the red nucleus of the brain (nucleus ruber) with another structure, esp. in rubroreticular, rubrospinal.

ΚΠ

1900 C. S. Sherrington in E. A. Schäfer Text-bk. Physiol. II. 808 This rubro-spinal system is a crossed one, its fibres decussating in the roof of the mesencephalon.

1937 J. H. Globus Pract. Neuroanat. 150 Others..descend to the brain stem and spinal cord as the rubroreticular and rubrospinal tracts.

1954 T. L. Peele Neuroanat. Basis Clin. Neurol. xvii. 387/1 Rubrofrontal and rubroparietal fibers are described as leaving the dorsolateral surface of the nucleus and passing..to frontal and parietal lobes.

1974 D. Webster & M. Webster Compar. Vertebr. Morphol. xii. 290 The rubrospinal tract leaves the red nucleus, and the reticulospinal tract leaves the reticular formation.

2005 Proc. National Acad. Sci. U.S.A 102 10699/2 Such a model is consistent with the selective regeneration of rubrospinal and raphespinal, but not corticospinal, tracts seen in NgR1 knockout mice.

This entry has been updated (OED Third Edition, March 2011; most recently modified version published online March 2022).

单词	rubro-
释义	rubro-comb. form Stress is usually determined by a subsequent element and vowels may be reduced accordingly. Some degree of stress is always maintained on the first syllable. If the subsequent element is an existing word, it is likely to retain its original stress pattern, e.g. rubrospinal Brit. /ˌruːbrə(ʊ)ˈspʌɪnl/, U.S. /ˌrubroʊˈspaɪn(ə)l/. Origin: A borrowing from Latin. Etymon: Latin rubro-. Etymology: < post-classical Latin rubro- (in e.g. rubrocroceus reddish yellow (1685 or earlier)), combining form of classical Latin ruber red (ultimately < the same Indo-European base as red adj.); compare -o- connective. With rubrospinal compare French rubro-spinal (1900 or earlier in a medical context). In rubroreticular probably after scientific Latin rubroreticularis (1910 or earlier in a German medical context). Compare rubral adj.Found from the beginning of the 20th cent. in a small number of scientific terms, both new formations and adaptations of foreign words. Combining with second elements of Latin origin. Anatomy. Forming adjectives designating nerve fibres and tracts that connect the red nucleus of the brain (nucleus ruber) with another structure, esp. in rubroreticular, rubrospinal. ΚΠ 1900 C. S. Sherrington in E. A. Schäfer Text-bk. Physiol. II. 808 This rubro-spinal system is a crossed one, its fibres decussating in the roof of the mesencephalon. 1937 J. H. Globus Pract. Neuroanat. 150 Others..descend to the brain stem and spinal cord as the rubroreticular and rubrospinal tracts. 1954 T. L. Peele Neuroanat. Basis Clin. Neurol. xvii. 387/1 Rubrofrontal and rubroparietal fibers are described as leaving the dorsolateral surface of the nucleus and passing..to frontal and parietal lobes. 1974 D. Webster & M. Webster Compar. Vertebr. Morphol. xii. 290 The rubrospinal tract leaves the red nucleus, and the reticulospinal tract leaves the reticular formation. 2005 Proc. National Acad. Sci. U.S.A 102 10699/2 Such a model is consistent with the selective regeneration of rubrospinal and raphespinal, but not corticospinal, tracts seen in NgR1 knockout mice. This entry has been updated (OED Third Edition, March 2011; most recently modified version published online March 2022). < comb. form1900
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