| 单词 | dorsiventral leaf |
| 释义 | dorsiventral leafdorsiventral leafthe leaf type, found mainly in DICOTYLEDONS, with a structure that changes from dorsal (upper) surface to ventral (lower) surface. The major areas are: an upper EPIDERMIS with no stomata; a palisade MESOPHYLL layer below which is spongy mesophyll with large intercellular spaces; a lower epidermis with irregularly spaced STOMATA. Such leaves are generally held horizontally. |
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