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- abnormal vascular bundle 异常维管束
- Bundle sheath The ring of parenchymatous or sclerenchymatous tissue, usually one cell thick, that surrounds the vascular bundle in an angiosperm leaf. 维管束鞘：在被子植物叶中，围绕维管束的通常是一层薄壁或厚壁细胞。
- Methods Forty-one elderly patients with VBI were examined with DSA to detect the quantity, types and locus of abnormal vascular structures. 方法对3年来收治的41例老年椎基底动脉供血不足患者行数字减影血管造影检查，并进行综合分析。
- The characteristics of vascular bundle in the first internode and grain-filling of heavy panicle hybrid rice (HPHR) were studied. 摘要对重穗型杂交稻穗颈节间维管束特徵及其籽粒充实进行了研究。
- The nectaries were composed of epidermis, nectariferous tissue and vascular bundle which only consisted of phome. 蜜腺由分泌表皮、产蜜组织和仅含韧皮部的维管束组成。
- Vascular bundle have not cambium layer, vessel, and spiral tracheid as well.Only sieve element. 维管束无形成层，无导管，也不具有螺纹管胞，只有筛分子。
- Ginkgo biloba leaf petiole, is actually composed of many vein from the collection of vascular bundle group. 银杏叶的叶柄，实际上是由许多叶脉集合而成的维管束群。
- It shows one sheath around the vascular bundles. 它显示出在维管束周围的鞘状构造。
- Vascular bundle equal distributed in circumfuse of two cotyledons, formed a circule. 摘要莲子叶组织中的维管束均等的分布于两瓣子叶里，形成1周。
- The vascular bundle consists of vascular bundle sheath,xylem,phloem and big parenchymatous cells. 维管束由维管束鞘、木质部、韧皮部和大型薄壁细胞组成。
- Male-sterility mainly results from the abnormality of mesospore,tapetum tissue and vascular bundle. 中层组织、绒毡层组织及药隔维管束异常均是雄性败育的因素。
- The large vascular bundle number of panicle neck internode was higher in Indica cultivars than in Japonica cultivars. 结果显示，参试品种穗颈节间大维管束数目，籼稻品种比稉稻品种多。
- The spongy cell arranged densely.The vascular bundle sheat and the phloem were colored more red. 维管束的导管口径变小，维管束鞘和韧皮部的细胞番红染色加重。
- The vascular bundle area in 2nd internode below the ear of cold type wheat is obvious smaller than warm type wheat's. 冷型小麦倒二节间中维管束面积明显小于暖型小麦；
- Collateral or bicollateral vascular bundle, developmental pith and medullary ray are obvious. 髓部发达，髓射线明显。
- The vascular bundle has a similar spikelet number load and sink load in the HPHR and Shanyou 63. 重穗型组合的维管束颖花负荷量、总库容负荷量均与汕优63相当。
- Fundus examination revealed multiple microaneurysm, hard exudate, and macular edema in the left eye; an abnormal vascular segment across the macular region was found in the right eye. 双眼萤光眼底摄影发现左眼有明显的柯氏症毛细血管扩张与染料渗漏，右眼无染料渗漏现象。
- It does not show sheaths around the vascular bundles. 它并没有显示出在维管束周围的鞘状构造。
- Palisade tissue is rich in saliferous vacuoles, while vascular bundle sheath is obvious. 栅栏组织富含含盐液泡泡，维管束鞘明显。
- With the moso bamboo growth, the vascular bundle begins to enlarge and the parachyma cell wall also crystallizes. 在竹笋生长后期，纤维帽逐渐形成且不断增大，薄壁细胞壁呈现结晶。
