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Midrib included one closed vascular system and one additional vascular strand. 主脉中维管组织环状，封闭，具有一个副维管束；
closed vascular system 闭管循环系统(动)
Studies on Vascular System Anatomy of the Flower of Commelina communis L. 鸭跖草花部维管束系统解剖学研究。
Studies on vascular system anatomy of the flower of Musa coccinea Andr. 红蕉花部维管束系统的解剖学研究。
In some cases, secondary damage in the vascular system or opposite kidney may account for this. 有些病例，可能是由于脉管系统或对侧肾脏有继发性损害之故。
The arrangement of vascular tissue (the vascular system) in the stem is very varied, giving a number of different types of STELE. 茎中维管组织的排列方式多种多样，由此产生多种类型的中柱。
ANATOMICAL STUDIES ON THE PRIMARY VASCULAR SYSTEM OF THE SEEDLING OF ADONIS AESTIVALIS L. 夏侧金盏花幼苗初生维管系统的解剖学研究
The sieve element of the primary vascular system of the seedling of Nelumbo nucifera was sieve tube element. 莲幼苗初生维管系统中的筛分子为筛管分子。
Result: The extensive vascular system around the sac and has compact contact with sinus sigmoid. 内淋巴囊周围被毛细血管、微静脉、静脉和个别微动脉形成的一个细密的环状血管网所包绕。
The vascular system changed complexly from the top of the pedicel to the base of the locule. 自花梗顶部至子房室基部，维管束系统发生复杂的变化。
Caffeine has been shown to affect mood, stamina, the cerebral vascular system, and gastric and colonic activity. 咖啡因已经被证实了它会影响情绪、体力、脑血管系统以及胃和结肠的正常活动。
Thallus (pl. thalli) A simple plant body showing no differentiation into root, leaf, and stem and lacking a true vascular system. 叶状体：没有向根、茎和叶方向发生分化而且不具有真正的维管系统的简单植物体。
Tracheophyte (Tracheophyta) Any plant with a differentiated vascular system; i.e. all plants except the liverworts, mosses, and hornworts. 维管植物：任何具有分化成为维管系统的植物。即除了地钱、藓类和角苔以外的所有植物。
The roach vascular system is much less extensive and lacks tiny capillaries, Kunkel notes, so pressure can be significantly lower. 康凯尔指出，蟑螂的血管系统规模小很多，也没有微血管，所需要的血压相对低得多。
In addition, comparison of the origin of vascular system in androecium of Zingiberales and its systematic significance are discussed. 本文还对姜目雄蕊维管束系统来源进行了比较并探讨了其系统学意义。
A study on the comparative anatomy of node-leaf vascular system of Lardizabalaceae, Sargentodoxaceae and some of the families concerned. 木通科大血__科等类群节 -- 叶维管系统的比较解剖学研究.
The origin and evolution of the vascular system of the flower in Commelina communis and the taxa concerned were discussed in this paper. 文中对鸭跖草及其有关类群的花部维管束系统的来源及演变进行了比较、讨论。
Objective To explore the protective effects of rosiglitazone on the vascular system of spontaneous hypertensive rat (SHR). 目的探讨罗格列酮对自发性高血压大鼠(SHR)血管壁的保护作用。
Then the the expression attenuates in vascular system and increases in intestine, gut, branchial arches and swim bladder at 3dpf. 至受精后三天，该基因在血管系统中的表达减弱，而在肠、消化道和鳃弓等处的表达增强。
There, the host envelopes the rhizobia in a peribacteriod membrane and connections to the root vascular system are formed. 在此，寄主在类菌体膜中把根瘤菌包裹起来，并形成与根的维管束连接。