annulus fibrosusn.

Brit. /ˌanjᵿləs fʌɪˈbrəʊsəs/, U.S. /ˌænjələs ˌfaɪˈbroʊsəs/

Inflections: Plural annuli fibrosi.

Etymology: < scientific Latin annulus fibrosus (G. Jäger 1858, in Sitzungsber. der Akad. der Wissensch. in Wien 33 53; 1879 or earlier in sense 2) < post-classical Latin annulus annulus n. + fibrosus (see fibrous adj.).

Anat.

1. A laminated ring of fibrocartilage forming the outer portion of an intervertebral disc, surrounding the nucleus pulposus.

ΚΠ

1874 M. Foster & F. M. Balfour Elements Embryol. vi. 158 In the tail the menisci are replaced by bodies known as the ‘annuli fibrosi’.

1896 Philos. Trans. (Royal Soc.) B. 187 45 It is also homologous with the intervertebral pads which exist between any successive vertebræ, in the shape of the so-called menisci or annuli fibrosi.

1978 Science 3 Feb. 547/3 When the vertebral column is subjected to axial load, much of this is taken up by deformation of the annulus fibrosus.

2000 M. M. Burke & J. A. Laramie Primary Care Older Adult xii. 332 The ability of the annulus fibrosus to withstand stress decreases significantly with age.

2. = annulus n.

ΚΠ

1923 Heart 10 21 The foundation of the [aortic] valve, its skeleton, is a thick layer of dense connective tissue, thrown out as a continuation of the annulus fibrosus which surrounds the aortic orifice.

1976 Arch. Pathol. & Lab. Med. 100 117 Clinically important complications resulting from calcific mitral annulus fibrosus (CMAF) are unusual.

2004 Amer. Jrnl. Physiol. 285 H1853 Only ordinary myocardium contacts the annulus fibrosus, and there is little to no collagen separating its myofibers and tissues.

This is a new entry (OED Third Edition, December 2005).

单词	annulus fibrosus
释义	annulus fibrosusn. Brit. /ˌanjᵿləs fʌɪˈbrəʊsəs/, U.S. /ˌænjələs ˌfaɪˈbroʊsəs/ Inflections: Plural annuli fibrosi. Etymology: < scientific Latin annulus fibrosus (G. Jäger 1858, in Sitzungsber. der Akad. der Wissensch. in Wien 33 53; 1879 or earlier in sense 2) < post-classical Latin annulus annulus n. + fibrosus (see fibrous adj.). Anat. 1. A laminated ring of fibrocartilage forming the outer portion of an intervertebral disc, surrounding the nucleus pulposus. ΚΠ 1874 M. Foster & F. M. Balfour Elements Embryol. vi. 158 In the tail the menisci are replaced by bodies known as the ‘annuli fibrosi’. 1896 Philos. Trans. (Royal Soc.) B. 187 45 It is also homologous with the intervertebral pads which exist between any successive vertebræ, in the shape of the so-called menisci or annuli fibrosi. 1978 Science 3 Feb. 547/3 When the vertebral column is subjected to axial load, much of this is taken up by deformation of the annulus fibrosus. 2000 M. M. Burke & J. A. Laramie Primary Care Older Adult xii. 332 The ability of the annulus fibrosus to withstand stress decreases significantly with age. 2. = annulus n. ΚΠ 1923 Heart 10 21 The foundation of the [aortic] valve, its skeleton, is a thick layer of dense connective tissue, thrown out as a continuation of the annulus fibrosus which surrounds the aortic orifice. 1976 Arch. Pathol. & Lab. Med. 100 117 Clinically important complications resulting from calcific mitral annulus fibrosus (CMAF) are unusual. 2004 Amer. Jrnl. Physiol. 285 H1853 Only ordinary myocardium contacts the annulus fibrosus, and there is little to no collagen separating its myofibers and tissues. This is a new entry (OED Third Edition, December 2005). < n.1874
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