callosen.

Brit.

/ˈkaləʊs/,

/ˈkaləʊz/, U.S.

/ˈkæloʊz/,

/ˈkæloʊs/

Origin: A borrowing from French. Etymon: French callose.

Etymology: < French callose (L. Mangin 1890, in Comptes rendus hebd. de l'Acad. des Sci. 110 645) < classical Latin callus callus n. + French -ose -ose suffix².

Biochemistry.

A polysaccharide found in higher plants as a constituent of certain types of cell wall, and deposited on parts of the plasma membrane in response to wounding or physiological stress.Callose is a linear polymer of glucose.

ΘΚΠ

the world > matter > chemistry > organic chemistry > carbohydrates > sugars > polysaccharides > [noun] > other polysaccharides

trehalose1862

triticin1874

galactin1882

callose1890

floridean starch1902

levan1902

leucosin1914

arabinogalactan1928

laminarin1934

glucan1943

zymosan1943

agarose1953

laminaran1961

1890 Proc. 28th Ann. Meeting Amer. Pharmaceut. Assoc. 643 Louis Mangin describes a new fundamental vegetable substance which he has named ‘callose’.

1939 E. A. Bessey Text-bk. Mycol. (new ed.) ix. 242 The apices of the branches may continue to grow while the older parts die and are cut off by callose plugs as in some Phycomyceteae.

1984 E. Holtzman & A. B. Novikoff Cells & Organelles (ed. 3) iii. iv. 380 The end wall is further modified by deposition of an impermeable glucose polysaccharide, callose, in the zones between the pores.

2003 Science 15 Aug. 893 Plants respond to pathogen-induced damage by producing callose.

This is a new entry (OED Third Edition, June 2016; most recently modified version published online December 2021).

calloseadj.

Brit.

/ˈkaləʊs/,

/ˈkaləʊz/, U.S.

/ˈkæloʊs/,

/ˈkæloʊz/

Forms: Middle English calose, Middle English colose, Middle English– callose.

Origin: A borrowing from Latin. Etymon: Latin callōsus.

Etymology: < classical Latin callōsus callous adj. Compare Middle French callose (1478: see callous adj.). Compare callous adj. and forms in the Romance languages cited at that entry.

Originally: (of animal tissue or skin) hardened, thickened; = callous adj. 1. In later use also Botany: bearing one or more callosities (cf. callous adj. 1b).

ΘΚΠ

the world > plants > appearance of plant > defined by texture > [adjective] > hardened

callosea1400

callous1721

sclerosed1881

sclerotic1884

the world > health and disease > ill health > a disease > disorders of visible parts > skin disorders > [adjective] > hardening or thickening > afflicted with

callosea1400

callousa1400

brawny1613

warded1658

imperspirable1668

callused1714

calloused1746

waulked1786

hoofed1828

horn-fisted1929

a1400 tr. Lanfranc Sci. Cirurgie (Ashm.) (1894) 89 Þe vlcus haþ not wiþinne him a calose [L. callosam] hardnes.

?a1425 tr. Guy de Chauliac Grande Chirurgie (N.Y. Acad. Med.) f. 86 (MED) Signez of fistulez ar y-taken of substantially cleuyng þingez, as of þat callose skyn.

1680 W. Charleton Enq. Human Nature 42 They have no teeth in the upper jaw..; the callose gumms of the upper, together with the tongue, serving them, instead of hands, to grasp and hold.

1698 W. Cowper Anat. Humane Bodies Introd. sig. c2/1 This Order is inverted in the Spinal Marrow, where the External Part is Callose and White.

1807 ‘A. McDonald’ Compl. Dict. Pract. Gardening at Mespilus Pulp thick mixed with callose granules, containing five gibbous, wrinkled, one-celled Stones, in each of which are two seeds.

1888 Bot. Gaz. 13 74 Fructiferous bracts rugose, callose-tuberculate.

1902 Trans. Entomol. Soc. London 253 Scutellum slightly callose.

1967 Ann. Missouri Bot. Garden 54 257 Petals..antheriform, callose, swollen.

2003 Flora Neotropica 88 84/2 Inner base of inner petals callose, grooved.

This entry has been updated (OED Third Edition, March 2016; most recently modified version published online December 2021).

单词	callose
释义	callosen. Brit. /ˈkaləʊs/, /ˈkaləʊz/, U.S. /ˈkæloʊz/, /ˈkæloʊs/ Origin: A borrowing from French. Etymon: French callose. Etymology: < French callose (L. Mangin 1890, in Comptes rendus hebd. de l'Acad. des Sci. 110 645) < classical Latin callus callus n. + French -ose -ose suffix². Biochemistry. A polysaccharide found in higher plants as a constituent of certain types of cell wall, and deposited on parts of the plasma membrane in response to wounding or physiological stress.Callose is a linear polymer of glucose. ΘΚΠ the world > matter > chemistry > organic chemistry > carbohydrates > sugars > polysaccharides > [noun] > other polysaccharides trehalose1862 triticin1874 galactin1882 callose1890 floridean starch1902 levan1902 leucosin1914 arabinogalactan1928 laminarin1934 glucan1943 zymosan1943 agarose1953 laminaran1961 1890 Proc. 28th Ann. Meeting Amer. Pharmaceut. Assoc. 643 Louis Mangin describes a new fundamental vegetable substance which he has named ‘callose’. 1939 E. A. Bessey Text-bk. Mycol. (new ed.) ix. 242 The apices of the branches may continue to grow while the older parts die and are cut off by callose plugs as in some Phycomyceteae. 1984 E. Holtzman & A. B. Novikoff Cells & Organelles (ed. 3) iii. iv. 380 The end wall is further modified by deposition of an impermeable glucose polysaccharide, callose, in the zones between the pores. 2003 Science 15 Aug. 893 Plants respond to pathogen-induced damage by producing callose. This is a new entry (OED Third Edition, June 2016; most recently modified version published online December 2021). calloseadj. Brit. /ˈkaləʊs/, /ˈkaləʊz/, U.S. /ˈkæloʊs/, /ˈkæloʊz/ Forms: Middle English calose, Middle English colose, Middle English– callose. Origin: A borrowing from Latin. Etymon: Latin callōsus. Etymology: < classical Latin callōsus callous adj. Compare Middle French callose (1478: see callous adj.). Compare callous adj. and forms in the Romance languages cited at that entry. Originally: (of animal tissue or skin) hardened, thickened; = callous adj. 1. In later use also Botany: bearing one or more callosities (cf. callous adj. 1b). ΘΚΠ the world > plants > appearance of plant > defined by texture > [adjective] > hardened callosea1400 callous1721 sclerosed1881 sclerotic1884 the world > health and disease > ill health > a disease > disorders of visible parts > skin disorders > [adjective] > hardening or thickening > afflicted with callosea1400 callousa1400 brawny1613 warded1658 imperspirable1668 callused1714 calloused1746 waulked1786 hoofed1828 horn-fisted1929 a1400 tr. Lanfranc Sci. Cirurgie (Ashm.) (1894) 89 Þe vlcus haþ not wiþinne him a calose [L. callosam] hardnes. ?a1425 tr. Guy de Chauliac Grande Chirurgie (N.Y. Acad. Med.) f. 86 (MED) Signez of fistulez ar y-taken of substantially cleuyng þingez, as of þat callose skyn. 1680 W. Charleton Enq. Human Nature 42 They have no teeth in the upper jaw..; the callose gumms of the upper, together with the tongue, serving them, instead of hands, to grasp and hold. 1698 W. Cowper Anat. Humane Bodies Introd. sig. c2/1 This Order is inverted in the Spinal Marrow, where the External Part is Callose and White. 1807 ‘A. McDonald’ Compl. Dict. Pract. Gardening at Mespilus Pulp thick mixed with callose granules, containing five gibbous, wrinkled, one-celled Stones, in each of which are two seeds. 1888 Bot. Gaz. 13 74 Fructiferous bracts rugose, callose-tuberculate. 1902 Trans. Entomol. Soc. London 253 Scutellum slightly callose. 1967 Ann. Missouri Bot. Garden 54 257 Petals..antheriform, callose, swollen. 2003 Flora Neotropica 88 84/2 Inner base of inner petals callose, grooved. This entry has been updated (OED Third Edition, March 2016; most recently modified version published online December 2021). < n.1890adj.a1400
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