| 单词 | vascular tissue |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔angiosarcoma〕A malignant tumor arising from vascular tissue.血管瘤：血管组织生出的恶性肿瘤美国传统〔bone marrow〕The soft, fatty, vascular tissue that fills most bone cavities and is the source of red blood cells and many white blood cells.骨髓：大部分骨腔中柔软、脂肪状的脉管组织，是红血细胞和许多白血细胞的源头美国传统〔cortex〕Botany The region of tissue in a root or stem lying between the epidermis and the vascular tissue.【植物学】 皮层：位于表皮组织和导管组织之间的根茎中的组织区美国传统〔endodermis〕The innermost layer of the cortex that forms a sheath around the vascular tissue of roots and some stems.内皮层：皮层的最内层，在根、茎的导管组织周围形成一道叶鞘（茎衣）美国传统〔eustele〕The central cylinder in which the primary vascular tissue is arranged around a pith, as in most seed plants.真中柱：一种管状中柱，其中初生脉管组织排列在髓孔周围，存在于大多数种子植物中美国传统〔fibrovascular〕Having fibrous tissue and vascular tissue, as in the woody tissue of plants.维管（组织）的：含有纤维组织及脉管组织的，如在植物的木质组织中美国传统〔lamina〕Zoology A thin scalelike or platelike structure, as one of the thin layers of sensitive vascular tissue in the hoof of a horse.【动物学】 蹄叶：一种细小的鳞状或片状结构，如马蹄子上敏感的管状组织的细小薄片美国传统〔leaf gap〕A break in the vascular tissue of a stem above the point of attachment of a leaf trace.叶隙：茎的维管组织中的一条裂缝，位于叶迹连接点的上部美国传统〔leaf trace〕A strand of vascular tissue that extends between the vascular bundle of a stem and a leaf.叶迹：一束维管组织，伸展于茎和叶的维管束之间美国传统〔procambium〕A type of undifferentiated plant tissue that gives rise to vascular tissue.原始形成层：植物分层组织的种类，产生维管束组织美国传统〔protostele〕A stele that has a solid core of vascular tissue.原生中柱：一种有管状组织的实心中柱美国传统〔stele〕Botany The central core of vascular tissue in a plant stem or root.【植物学】 中柱：植物茎或根部中维管组织的中核美国传统〔transition region〕A zone in a seed plant where the vascular tissue of the root changes into the vascular tissue of the stem.过渡地区：种子植物中的一个部位，其根部的维管束组织变成了茎部的维管束组织美国传统 |
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