medullatedadj.

Brit.

/mɛˈdʌleɪtᵻd/,

/mᵻˈdʌleɪtᵻd/, U.S.

/məˈdəleɪdᵻd/,

/ˈmɛdʒəˌleɪdᵻd/

Origin: Formed within English, by derivation. Etymons: medulla n., -ated suffix.

Etymology: < medulla n. + -ated suffix. Compare post-classical Latin medullatus full of marrow (4th–5th cent.), rich, fat (Vulgate).

1. Histology and Physiology. Of a nerve or nerve fibre: myelinated.

ΘΚΠ

the world > life > biology > physical aspects or shapes > specific areas or structures > [adjective] > centre

medullar?1541

medullary1649

medullated1867

1867 J. Marshall Outl. Physiol. I. 55 These medullated tubular nerve-fibres compose the white part of the brain and spinal cord.

1899 T. C. Allbutt et al. Syst. Med. VI. 499 The medullated tracts of the cord.

1924 R. M. Ogden tr. K. Koffka Growth of Mind iii. 64 Most of the connections between the ‘old’ and ‘new’ brain of the new-born infant are neither medullated nor conductile.

1962 Gray's Anat. (ed. 33) 50 Fibres with a myelin sheath are described as myelinated, medullated, or white.

1992 Indian Jrnl. Ophthalmol. 40 2 Other findings were optic glioma,..medullated nerve fibres and prominent corneal nerves.

2. Botany. Esp. of a plant stem or stele: having a distinct medulla or pith.

ΘΚΠ

the world > plants > part of plant > stem or stalk > [adjective]

festucous1656

cauline1757

caulinar1851

scapiform1857

caulomic1880

medullate1896

medullated1901

1901 Bot. Gaz. 32 382 When Van Tieghem proposed his ‘stelar hypothesis’ several cryptogams besides the Osmundaceae were cited as exceptionally possessing medullated monostelic central cylinders.

1934 New Phytologist 33 213 The stele is medullated, and the strands of xylem, which may be from two to five in number, are only one or two cells in width.

1977 Amer. Jrnl. Bot. 64 1237 In transverse section the primary axis exhibits an oblong, medullated stele that is flattened in all but the best preserved specimens.

1994 Ann. Missouri Bot. Garden 81 350/2 The number and arrangement of petiolar vascular bundles vary from (11–)9, 7, 5, and 3 in a ring, as free traces, medullated cylinder, or U-shaped free or medullated free traces.

3. Of a hair: having a medulla.

ΚΠ

1920 Amer. Naturalist 54 521 Compound-medullated hairs.]

1928 Science 18 May 512/2 The medullated wool fiber is considered a serious defect in the fleece.

1931 S. G. Barker Wool Quality 260 (note) Kemp fibres, which are the shortest and thickest fibres, medullated except for a short fine tip.

1973 Materials & Technol. VI. iii. 247 The production of medullated fibres by sheep is probably an inherited disposition.

2001 Austral. Jrnl. Exper. Agric. 41 725 No detectable increase of pigmented or heavily medullated fibres..were detected among the Merino ewes mated to Damara rams.

This entry has been updated (OED Third Edition, June 2001; most recently modified version published online March 2022).

单词	medullated
释义	medullatedadj. Brit. /mɛˈdʌleɪtᵻd/, /mᵻˈdʌleɪtᵻd/, U.S. /məˈdəleɪdᵻd/, /ˈmɛdʒəˌleɪdᵻd/ Origin: Formed within English, by derivation. Etymons: medulla n., -ated suffix. Etymology: < medulla n. + -ated suffix. Compare post-classical Latin medullatus full of marrow (4th–5th cent.), rich, fat (Vulgate). 1. Histology and Physiology. Of a nerve or nerve fibre: myelinated. ΘΚΠ the world > life > biology > physical aspects or shapes > specific areas or structures > [adjective] > centre medullar?1541 medullary1649 medullated1867 1867 J. Marshall Outl. Physiol. I. 55 These medullated tubular nerve-fibres compose the white part of the brain and spinal cord. 1899 T. C. Allbutt et al. Syst. Med. VI. 499 The medullated tracts of the cord. 1924 R. M. Ogden tr. K. Koffka Growth of Mind iii. 64 Most of the connections between the ‘old’ and ‘new’ brain of the new-born infant are neither medullated nor conductile. 1962 Gray's Anat. (ed. 33) 50 Fibres with a myelin sheath are described as myelinated, medullated, or white. 1992 Indian Jrnl. Ophthalmol. 40 2 Other findings were optic glioma,..medullated nerve fibres and prominent corneal nerves. 2. Botany. Esp. of a plant stem or stele: having a distinct medulla or pith. ΘΚΠ the world > plants > part of plant > stem or stalk > [adjective] festucous1656 cauline1757 caulinar1851 scapiform1857 caulomic1880 medullate1896 medullated1901 1901 Bot. Gaz. 32 382 When Van Tieghem proposed his ‘stelar hypothesis’ several cryptogams besides the Osmundaceae were cited as exceptionally possessing medullated monostelic central cylinders. 1934 New Phytologist 33 213 The stele is medullated, and the strands of xylem, which may be from two to five in number, are only one or two cells in width. 1977 Amer. Jrnl. Bot. 64 1237 In transverse section the primary axis exhibits an oblong, medullated stele that is flattened in all but the best preserved specimens. 1994 Ann. Missouri Bot. Garden 81 350/2 The number and arrangement of petiolar vascular bundles vary from (11–)9, 7, 5, and 3 in a ring, as free traces, medullated cylinder, or U-shaped free or medullated free traces. 3. Of a hair: having a medulla. ΚΠ 1920 Amer. Naturalist 54 521 Compound-medullated hairs.] 1928 Science 18 May 512/2 The medullated wool fiber is considered a serious defect in the fleece. 1931 S. G. Barker Wool Quality 260 (note) Kemp fibres, which are the shortest and thickest fibres, medullated except for a short fine tip. 1973 Materials & Technol. VI. iii. 247 The production of medullated fibres by sheep is probably an inherited disposition. 2001 Austral. Jrnl. Exper. Agric. 41 725 No detectable increase of pigmented or heavily medullated fibres..were detected among the Merino ewes mated to Damara rams. This entry has been updated (OED Third Edition, June 2001; most recently modified version published online March 2022). < adj.1867
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