| 释义 |
mesophyll Bot.|ˈmɛsəʊfɪl|
Also in Latin form.
[ad. mod.L. mesophyllum, f. Gr. µέσο-ς middle + ϕύλλον leaf.]
1. The parenchyma of a leaf; the soft inner tissue of a leaf lying between the upper and lower layers of epidermis. (Cf. diachyma, diploe.)
1839Lindley Introd. Bot. (ed. 3) 122 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. 1848― Introd. Bot. (ed. 4) I. 253 The cellular tissue of the bark, mesophyll or cortical integument.
attrib.1881Darwin Veg. Mould 41 Some of the mesophyll cells contained nothing but broken down granular matter.
2. The line of demarcation between a leaf and the leaf-stalk. ? Obs.
1839Lindley Introd. Bot. ii. v. (ed. 3) 319 The line of demarcation between the internode and petiole is called the mesophytum; that between the lamina and petiole the mesophyllum. |