† mesophyllumn.

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

Etymology: < French mésophyllum ( A. de Candolle Introd. à l'étude de la bot. (1835) I. iii. 271, as re-formation of his earlier coinage mésophylle (1827)) < méso- meso- comb. form + ancient Greek ϕύλλον leaf (see phyllo- comb. form).

Botany. Obsolete. rare.

1. = mesophyll n.

ΘΚΠ

the world > plants > part of plant > cell or aggregate tissue > [noun] > tissue > specific types of tissue

parenchyma1651

parenchyme1811

suberin1815

mesophyllum1832

prosenchyma1832

cinenchyma1835

bothrenchyma1838

merenchyma1839

pleurenchyma1839

mesophyll1848

trachenchyma1848

inenchyma1851

sterenchyma1856

collenchyma1857

rhytidome1861

procambium1872

palisade tissue1875

trace1875

taphrenchyma1876

phellem1877

ground-tissue1882

palisade parenchyma1882

stone-sclerenchyma1884

stereome1885

aerenchyma1889

chlorenchyma1894

1832 J. Lindley Introd. Bot. i. 83 The cellular tissue of which the rest of the leaf is composed is parenchyma, which Link then calls diachyma, or that immediately beneath the two surfaces cortex, and the intermediate substance diploe. De Candolle calls these two, taken together, the mesophyllum.

2. In C. Gaudichaud-Beaupré's terminology: the line of demarcation between a leaf and its petiole.

ΚΠ

1839 J. Lindley Introd. Bot. (ed. 3) ii. v. 319 The line of demarcation between the internode and petiole is called the mesophytum; that between the lamina and petiole the mesophyllum.

This is a new entry (OED Third Edition, September 2001; most recently modified version published online March 2019).

单词	mesophyllum
释义	† mesophyllumn. Origin: A borrowing from French. Etymon: French mésophyllum. Etymology: < French mésophyllum ( A. de Candolle Introd. à l'étude de la bot. (1835) I. iii. 271, as re-formation of his earlier coinage mésophylle (1827)) < méso- meso- comb. form + ancient Greek ϕύλλον leaf (see phyllo- comb. form). Botany. Obsolete. rare. 1. = mesophyll n. ΘΚΠ the world > plants > part of plant > cell or aggregate tissue > [noun] > tissue > specific types of tissue parenchyma1651 parenchyme1811 suberin1815 mesophyllum1832 prosenchyma1832 cinenchyma1835 bothrenchyma1838 merenchyma1839 pleurenchyma1839 mesophyll1848 trachenchyma1848 inenchyma1851 sterenchyma1856 collenchyma1857 rhytidome1861 procambium1872 palisade tissue1875 trace1875 taphrenchyma1876 phellem1877 ground-tissue1882 palisade parenchyma1882 stone-sclerenchyma1884 stereome1885 aerenchyma1889 chlorenchyma1894 1832 J. Lindley Introd. Bot. i. 83 The cellular tissue of which the rest of the leaf is composed is parenchyma, which Link then calls diachyma, or that immediately beneath the two surfaces cortex, and the intermediate substance diploe. De Candolle calls these two, taken together, the mesophyllum. 2. In C. Gaudichaud-Beaupré's terminology: the line of demarcation between a leaf and its petiole. ΚΠ 1839 J. Lindley Introd. Bot. (ed. 3) ii. v. 319 The line of demarcation between the internode and petiole is called the mesophytum; that between the lamina and petiole the mesophyllum. This is a new entry (OED Third Edition, September 2001; most recently modified version published online March 2019). < n.1832
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