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。
The ATPase activity at the plasmolemma of the sieve cells of the branches of the upper part is higher than that of the basal part.
灌浆前期，稻穗上部枝梗筛管细胞质膜上的ATP酶活性比下部强；
In the axial systems, the phloem consists of sieve cells, phloem parenchyma cells, albuminous cell and phloem fibers. In the radial systems, it consists of phloem rays.
轴向系统由筛胞、韧皮薄壁组织细胞、蛋白细胞和韧皮纤维组成，径向系统由韧皮射线组成。
The research into cells is an important content for the sieve with cytology and the technique of auto-diagnosis.
细胞测量研究是细胞学筛选和诊断自动化技术的一项重要内容。
Companion cells arrange in a row or single cell as long as the sieve tube member.
伴胞为与筛管分子等长的一列或单个细胞。
Companion cells arrange in a row or single cell as long as the sieve tube member.
伴胞为与筛管分子等长的一列或单个细胞。
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