odontoidadj.n.

Brit.

/ɒˈdɒntɔɪd/,

/əʊˈdɒntɔɪd/, U.S.

/oʊˈdɑnˌtɔɪd/

Forms: 1700s odontoide, 1700s– odontoid.

Origin: Formed within English, by derivation; modelled on a French lexical item. Etymons: odonto- comb. form, -oid suffix.

Etymology: < odonto- comb. form + -oid suffix, after French odontoïde (1541 in Middle French; 1690 in apophyse odontoïde odontoid process, after Hellenistic Greek ἀπόϕυσις ὀδοντοειδής (Galen)) < Hellenistic Greek ὀδοντοειδής toothlike (Galen). Compare also post-classical Latin odontoides (in J. Banister Hist. Man (1578) sig. Giii^r), Italian odontoide (1598 in Florio, defined as noun). N.E.D. (1902) gives only the pronunciation (odǫ·ntoid) /əʊˈdɒntɔɪd/.

Anatomy and Zoology.

A. adj.

1. Resembling or shaped like a tooth. Chiefly in odontoid process n. at Compounds.

ΚΠ

1754 New & Compl. Dict. Arts & Sci. III. 2254/2 Odontoide, in Anat., an appellation given to a process of the second vertebra of the neck, from its resemblance to a tooth.

1797 Encycl. Brit. I. 687/2 A process called the odontoid or tooth like process.

1873 St. G. Mivart Lessons Elem. Anat. vi. 217 In many animals we have a distinct ‘odontoid’ bone—instead of an odontoid process.

1975 Nature 2 Oct. 390/1 These processes..appear to be odontoid projections of bone, rather than true teeth.

2. Of, relating to, or associated with the odontoid process.

ΘΚΠ

the world > animals > mammals > [adjective] > of parts of > of other parts

odontoid1840

rhinarial1891

the world > animals > birds > bones > [adjective] > of vertebrae > of processes on

odontoid1840

1840 G. V. Ellis Demonstr. Anat. 277 The odontoid or check ligaments are two strong, round, fibrous processes, about half an inch long, attached, below, to the apex and sides of the odontoid process.

1892 New Sydenham Soc. Lexicon Odontoid tubercle, a rough elevation on the inner border of each condyle of the occipital bone for the attachment of the alar odontoid ligament.

1968 Brain 91 658 The odontoid joints are: the anterior odontoid joint between the dens and the anterior arch of the atlas and the posterior odontoid joint between the dens and the transverse atlantal ligament.

2000 Pediatric Radiol. 30 186 Questionnaires (984) were submitted to pediatric radiologists to determine how often odontoid fractures were missed on lateral views and detected on open-mouth odontoid views in children under 5 years.

B. n.

An odontoid process or bone.

ΘΚΠ

the world > animals > birds > bones > [noun] > projection from vertebra

odontoid process1755

odontoid1851

odontoid peg1872

the world > animals > mammals > [noun] > parts of > projection on vertebra

odontoid process1755

odontoid1851

odontoid peg1872

1851 R. Owen in Philos. Trans. (Royal Soc.) 141 754 In the Musk-deer the dentata has a sharp hypapophysial ridge, extending from below the base of the odontoid to beyond its posterior surface.

1896 A. Newton et al. Dict. Birds: Pt. IV 852 The intervertebral pad connecting the Odontoid with the body of the Axis.

1936 Philos. Trans. (Royal Soc.) B. 226 25 The axis has the odontoid closely articulating with its centrum, but not at all anchylozed.

1968 Brain 91 673 Some cases of fractured odontoids will unite spontaneously if immobilized for a long enough period of time.

1999 Daily Tel. 19 May 5/7 An examination of the boy's neck in hospital showed that the odontoid, the bony projection that acts as a peg for the skull, had been broken many years before.

Compounds

odontoid bone n. an odontoid process, esp. when separate from the axis.

ΚΠ

1871 T. H. Huxley Man. Anat. Vertebrated Animals v. 217 Such a..sub-vertebral wedge-bone is commonly developed beneath and between the odontoid bone and the body of the second vertebra.

1894 Philos. Trans. (Royal Soc.) B. 185 583 The neural arch..was doubtless in close relation with an odontoid bone, not now in place.

2000 Jrnl. Neurosurg. 94 (Suppl. 2) 338 The authors believe that calcitonin played a pivotal role in the healing process of the fractured odontoid bone.

odontoid peg n. = odontoid process n.

ΘΚΠ

the world > animals > birds > bones > [noun] > projection from vertebra

odontoid process1755

odontoid1851

odontoid peg1872

the world > animals > mammals > [noun] > parts of > projection on vertebra

odontoid process1755

odontoid1851

odontoid peg1872

1872 T. H. Huxley Lessons Elem. Physiol. (ed. 6) vii. 171 The skull does not move upon the atlas, but the atlas slides round the odontoid peg of the axis vertebra.

1934 Philos. Trans. (Royal Soc.) B. 223 445 The anterior sclerotomite of the 7th segment..does not become attached to the basis cranii in front of it (as in birds) but to the tip of the odontoid peg behind it.

1997 Daily Tel. 2 Jan. 3/3 Cases of people suffering from fracture of the odontoid peg without knowing it, he added, were unusual but not unique.

odontoid process n. a toothlike projection from the body of the axis (second cervical vertebra) which articulates with the atlas (first cervical vertebra).

ΘΚΠ

the world > animals > birds > bones > [noun] > projection from vertebra

odontoid process1755

odontoid1851

odontoid peg1872

the world > animals > mammals > [noun] > parts of > projection on vertebra

odontoid process1755

odontoid1851

odontoid peg1872

1755 New & Compl. Dict. Arts & Sci. IV. 3279/1 The second vertebra is called epistrophæus, and axis; in which we are to observe the dentiform or odontoide process.

1831 R. Knox tr. H. Cloquet Syst. Human Anat. (ed. 2) 179 The posterior surface of this ligament rests upon the odontoid process.

1886 Amer. Naturalist 20 289 The centrum of the atlas is always represented by the odontoid process of the axis, and can be separated easily in the Crocodilia.

1939 T. L. Green Pract. Animal Biol. i. 154 Note the odontoid process of the axis and the facet for it on the atlas.

1987 D. J. Weatherall et al. Oxf. Textbk. Med. (ed. 2) II. xvi. 6/1 A network of ligaments including..the apical ligament of the odontoid process.

This entry has been updated (OED Third Edition, March 2004; most recently modified version published online March 2022).

单词	odontoid
释义	odontoidadj.n. Brit. /ɒˈdɒntɔɪd/, /əʊˈdɒntɔɪd/, U.S. /oʊˈdɑnˌtɔɪd/ Forms: 1700s odontoide, 1700s– odontoid. Origin: Formed within English, by derivation; modelled on a French lexical item. Etymons: odonto- comb. form, -oid suffix. Etymology: < odonto- comb. form + -oid suffix, after French odontoïde (1541 in Middle French; 1690 in apophyse odontoïde odontoid process, after Hellenistic Greek ἀπόϕυσις ὀδοντοειδής (Galen)) < Hellenistic Greek ὀδοντοειδής toothlike (Galen). Compare also post-classical Latin odontoides (in J. Banister Hist. Man (1578) sig. Giii^r), Italian odontoide (1598 in Florio, defined as noun). N.E.D. (1902) gives only the pronunciation (odǫ·ntoid) /əʊˈdɒntɔɪd/. Anatomy and Zoology. A. adj. 1. Resembling or shaped like a tooth. Chiefly in odontoid process n. at Compounds. ΚΠ 1754 New & Compl. Dict. Arts & Sci. III. 2254/2 Odontoide, in Anat., an appellation given to a process of the second vertebra of the neck, from its resemblance to a tooth. 1797 Encycl. Brit. I. 687/2 A process called the odontoid or tooth like process. 1873 St. G. Mivart Lessons Elem. Anat. vi. 217 In many animals we have a distinct ‘odontoid’ bone—instead of an odontoid process. 1975 Nature 2 Oct. 390/1 These processes..appear to be odontoid projections of bone, rather than true teeth. 2. Of, relating to, or associated with the odontoid process. ΘΚΠ the world > animals > mammals > [adjective] > of parts of > of other parts odontoid1840 rhinarial1891 the world > animals > birds > bones > [adjective] > of vertebrae > of processes on odontoid1840 1840 G. V. Ellis Demonstr. Anat. 277 The odontoid or check ligaments are two strong, round, fibrous processes, about half an inch long, attached, below, to the apex and sides of the odontoid process. 1892 New Sydenham Soc. Lexicon Odontoid tubercle, a rough elevation on the inner border of each condyle of the occipital bone for the attachment of the alar odontoid ligament. 1968 Brain 91 658 The odontoid joints are: the anterior odontoid joint between the dens and the anterior arch of the atlas and the posterior odontoid joint between the dens and the transverse atlantal ligament. 2000 Pediatric Radiol. 30 186 Questionnaires (984) were submitted to pediatric radiologists to determine how often odontoid fractures were missed on lateral views and detected on open-mouth odontoid views in children under 5 years. B. n. An odontoid process or bone. ΘΚΠ the world > animals > birds > bones > [noun] > projection from vertebra odontoid process1755 odontoid1851 odontoid peg1872 the world > animals > mammals > [noun] > parts of > projection on vertebra odontoid process1755 odontoid1851 odontoid peg1872 1851 R. Owen in Philos. Trans. (Royal Soc.) 141 754 In the Musk-deer the dentata has a sharp hypapophysial ridge, extending from below the base of the odontoid to beyond its posterior surface. 1896 A. Newton et al. Dict. Birds: Pt. IV 852 The intervertebral pad connecting the Odontoid with the body of the Axis. 1936 Philos. Trans. (Royal Soc.) B. 226 25 The axis has the odontoid closely articulating with its centrum, but not at all anchylozed. 1968 Brain 91 673 Some cases of fractured odontoids will unite spontaneously if immobilized for a long enough period of time. 1999 Daily Tel. 19 May 5/7 An examination of the boy's neck in hospital showed that the odontoid, the bony projection that acts as a peg for the skull, had been broken many years before. Compounds odontoid bone n. an odontoid process, esp. when separate from the axis. ΚΠ 1871 T. H. Huxley Man. Anat. Vertebrated Animals v. 217 Such a..sub-vertebral wedge-bone is commonly developed beneath and between the odontoid bone and the body of the second vertebra. 1894 Philos. Trans. (Royal Soc.) B. 185 583 The neural arch..was doubtless in close relation with an odontoid bone, not now in place. 2000 Jrnl. Neurosurg. 94 (Suppl. 2) 338 The authors believe that calcitonin played a pivotal role in the healing process of the fractured odontoid bone. odontoid peg n. = odontoid process n. ΘΚΠ the world > animals > birds > bones > [noun] > projection from vertebra odontoid process1755 odontoid1851 odontoid peg1872 the world > animals > mammals > [noun] > parts of > projection on vertebra odontoid process1755 odontoid1851 odontoid peg1872 1872 T. H. Huxley Lessons Elem. Physiol. (ed. 6) vii. 171 The skull does not move upon the atlas, but the atlas slides round the odontoid peg of the axis vertebra. 1934 Philos. Trans. (Royal Soc.) B. 223 445 The anterior sclerotomite of the 7th segment..does not become attached to the basis cranii in front of it (as in birds) but to the tip of the odontoid peg behind it. 1997 Daily Tel. 2 Jan. 3/3 Cases of people suffering from fracture of the odontoid peg without knowing it, he added, were unusual but not unique. odontoid process n. a toothlike projection from the body of the axis (second cervical vertebra) which articulates with the atlas (first cervical vertebra). ΘΚΠ the world > animals > birds > bones > [noun] > projection from vertebra odontoid process1755 odontoid1851 odontoid peg1872 the world > animals > mammals > [noun] > parts of > projection on vertebra odontoid process1755 odontoid1851 odontoid peg1872 1755 New & Compl. Dict. Arts & Sci. IV. 3279/1 The second vertebra is called epistrophæus, and axis; in which we are to observe the dentiform or odontoide process. 1831 R. Knox tr. H. Cloquet Syst. Human Anat. (ed. 2) 179 The posterior surface of this ligament rests upon the odontoid process. 1886 Amer. Naturalist 20 289 The centrum of the atlas is always represented by the odontoid process of the axis, and can be separated easily in the Crocodilia. 1939 T. L. Green Pract. Animal Biol. i. 154 Note the odontoid process of the axis and the facet for it on the atlas. 1987 D. J. Weatherall et al. Oxf. Textbk. Med. (ed. 2) II. xvi. 6/1 A network of ligaments including..the apical ligament of the odontoid process. This entry has been updated (OED Third Edition, March 2004; most recently modified version published online March 2022). < adj.n.1754
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