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- There are two zones of cambium: the VASCULAR CAMBIUM, which produces secondary xylem and phloem, and the PHELLEM (cork cambium), which produces secondary cortex and cork or bark. 有两种类型的形成层：一种是维管形成层，产生次生木质部和次生韧皮部。另一种是木栓形成层，产生次生皮层，软木或树皮。
- The insect resistance of a tree is influenced by several factors,such as the distribution and quantity of stone cell and crystals in cortex and phloem,the content of cellulose,the thickness and composition of cork layer, etc. 皮层和韧皮部中的石细胞，结晶体的分布、数量，纤维素的多少、排列状况，木栓层厚度、组成，后含物均能影响树本的抗虫性能。
- cortex and phloem 皮层和韧皮部
- The thymic cortex and medulla developed completely at stage 16. 胸腺皮质和髓质形成于16期。
- Thin-walled cells of cortex and pulp are rich in rhaphides. 皮层和髓中的薄壁细胞富含针晶。
- The secondary phloem consisted of sieve cells and phloem parenchymas. 根的次生韧皮部则由筛胞和韧皮薄壁细胞组成。
- He tear a cortex and eat it.He imagined the chump is a delicious beef jerky. 他一阵惊喜，他紧紧抱住那半截榆木，吃力地从上面撕下一缕树皮，放在最里嚼了起来。
- Results:There are nonglandular hair in the stem epidermis,many starch grains in the stem cortex and many prismatic crystals of calcium oxalate in the phloem of C. grandis var. tamentosa Hart. 结果:化州柚茎表皮外有非腺毛,皮层含较多淀粉粒,韧皮部方晶较多;
- A root-like structure lacking conductive tissues (xylem and phloem). 无输导组织(木质部和韧皮部)的根状结构。
- In vascular plants, the xylem and phloem serve to translocate such substances. 维管植物的木质部和韧皮部主要进行对这类物质进行运输。
- Any of various vascular plants, including seed plants and ferns, having a conducting system of xylem and phloem. 导（维）管植物任何种类的维管植物，包括种子植物和蕨类植物，具有木质部和韧皮部导管系统
- NOS-positive neurons were present in LGN,visual cortex and parietal cortex. 结果：NOS阳性细胞存在于大鼠LGN、视皮层及大脑项叶皮层中。
- Sap 1. The solution of mineral salts and sugars that is found in xylem and phloem vessels and oozes out of cut stems. 树液：1.;是植物木质部与韧皮部管状分子中存在的含多种无机盐与碳水化合物的混和溶液，可以从植物茎上的切口处渗出。
- The contrast between normal adrenal cortex and the small pale infarct is good. 正常的肾上腺皮质和梗死的苍白色小斑块间的界限是分明的。
- Both xylem and phloem form a continuous branched system in the whole plant body. 木质部和韧皮部在植物体内构成一个连续的分支系统。
- The site of infarct was frequently located in the cortex and subcortex. 脑梗死常位于皮质和皮质下较表浅部位；
- Intrafascicular cambium (fascicular cambium) The part of the VASCULAR CAMBIUM within the vascular between the xylem and phloem. 束中形成层：是位于木质部和韧皮部构成的维管束内的一部分维管形成层。
- The adventitious buds can be developed in the crossed area of both cork cambium and phloem ray inside the root. 宿根上的不定芽发生于韧皮射线与木栓形成层交叉的区域。
- The adrenals usually appear normals, but occasional hemorrhages may occur in the cortex and medulla. 肾上腺一般正常，但皮质部和髓质部中间偶而也出现血。
- Any of various vascular plants,including seed plants and ferns,having a conducting system of xylem and phloem. 导(维)管植物任何种类的维管植物，包括种子植物和蕨类植物，具有木质部和韧皮部导管系统
