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- Primary vascular tissue, which is found in all vascular plants, is formed from the procambium. 初生维管组织由原形成层发育而来，在所有维管植物中都有存在。
- The primary vascular structure of a stem, including the vascular tissues and all tissues internal to the vascular tissues. 茎的初生维管结构,包括维管组织和维管组织以内的所有组织。
- primary vascular tissue 初生维管组织
- The organ is penetrated with vascular tissue. 根瘤的器官内有维管组织穿过。
- The primary vascular structure of a root. 根的初生维管结构。
- 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
- A malignant tumor arising from vascular tissue. 血管瘤血管组织生出的恶性肿瘤
- Primary Vascular Tissues of the Root-stem Transition Zone in Robinia pseudoacacia L. Seedlings 刺槐幼苗根茎过渡区初生维管组织的观察
- OBJECTIVE: To improve seed cell primary culture technique of vascular tissue engineering and observe the biological characteristics. 目的：改良血管组织工程种子细胞原代培养技术并观察其生物学特性。
- 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)
- The vascular tissue passes through the pulvinus into the petiole proper. 维管组织经过叶枕进入叶柄。
- This differentiates into the vascular tissue of the developing leaf. 这与发育中叶的维管组织不同。
- 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
- 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。
- The primary chalazal haustorium ramifies around the vascular tissues of the ovule. 初生合点吸器沿着胚珠的维管组织分支。
- Procambium (procambial strand) The layer of cells that gives rise to the vascular tissue. 原形成层（原形成层束）：形成维管组织的一层细胞。
- These bundles will become part of the vascular tissue of the stipels at the base of the individual leaflets. 这些维束管在各个小叶基部将成为托叶的维管组织部分。
- Fiber A form of SCLERENCHYMA cell that is often found associated with vascular tissue. 纤维：一种厚壁组织细胞，通常与维管组织有关。
- The region of tissue in a root or stem lying between the epidermis and the vascular tissue. 皮层位于表皮组织和导管组织之间的根茎中的组织区
