mesocotyln.

Brit.

/ˈmɛsə(ʊ)ˌkɒtl/, U.S.

/ˈmɛzoʊˌkɑdl/; see also meso- comb. form.

Origin: Formed within English, by compounding; apparently modelled on a German lexical item. Etymons: meso- comb. form, cotyledon n.

Etymology: < meso- comb. form + cotyl- (in cotyledon n.), apparently after German Mesocotyl (L. J. Čelakovský 1897, in Bot. Zeitung 55 i. 145).

Botany.

In the embryos of many grasses: the part of the axis between the scutellar node and the coleoptile.

ΚΠ

1905 I. B. Balfour tr. C. E. von Goebel Organogr. Plants II. ii. 417 Between the coloeptile and the scutellum, a mesocotyl is developed.

1914 Bot. Gaz. 57 338 A large factor in the success of this race, known as Hopi maize.., is the extraordinary capacity for elongation possessed by the mesocotyl.

1934 A. Arber Gramineae xi. 235 It seems best to interpret the mesocotyl, not as an internode, but as the cotyledonary node, telescoped out into an elongated form.

1945 W. O. Howarth & L. G. G. Warne Lowson's Textbk. Bot. (ed. 9) iii. 63 This region is called the mesocotyl by those who view the scutellum and coleoptile as parts of one cotyledon.

1974 Encycl. Brit. Macropædia XIV. 587/1 The coleoptile and the structures it conceals are pushed through the soil by the elongation of the embryonic neck (mesocotyl) until the tip of the coleoptile is exposed to air and light.

1998 Plant Jrnl. 13 241 Microprojectile bombardment indicated that the sequences introduced by transposition act as an enhancer of transcription in aleurone but not in coleoptile or mesocotyl tissue.

This is a new entry (OED Third Edition, September 2001; most recently modified version published online March 2022).

单词	mesocotyl
释义	mesocotyln. Brit. /ˈmɛsə(ʊ)ˌkɒtl/, U.S. /ˈmɛzoʊˌkɑdl/; see also meso- comb. form. Origin: Formed within English, by compounding; apparently modelled on a German lexical item. Etymons: meso- comb. form, cotyledon n. Etymology: < meso- comb. form + cotyl- (in cotyledon n.), apparently after German Mesocotyl (L. J. Čelakovský 1897, in Bot. Zeitung 55 i. 145). Botany. In the embryos of many grasses: the part of the axis between the scutellar node and the coleoptile. ΚΠ 1905 I. B. Balfour tr. C. E. von Goebel Organogr. Plants II. ii. 417 Between the coloeptile and the scutellum, a mesocotyl is developed. 1914 Bot. Gaz. 57 338 A large factor in the success of this race, known as Hopi maize.., is the extraordinary capacity for elongation possessed by the mesocotyl. 1934 A. Arber Gramineae xi. 235 It seems best to interpret the mesocotyl, not as an internode, but as the cotyledonary node, telescoped out into an elongated form. 1945 W. O. Howarth & L. G. G. Warne Lowson's Textbk. Bot. (ed. 9) iii. 63 This region is called the mesocotyl by those who view the scutellum and coleoptile as parts of one cotyledon. 1974 Encycl. Brit. Macropædia XIV. 587/1 The coleoptile and the structures it conceals are pushed through the soil by the elongation of the embryonic neck (mesocotyl) until the tip of the coleoptile is exposed to air and light. 1998 Plant Jrnl. 13 241 Microprojectile bombardment indicated that the sequences introduced by transposition act as an enhancer of transcription in aleurone but not in coleoptile or mesocotyl tissue. This is a new entry (OED Third Edition, September 2001; most recently modified version published online March 2022). < n.1905
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